FLO Pressure switch failure, switch open
FLC Pressure switch failure, switch closed
Prr Temp sensor failure
Prh Hi-limit sensor failure
HL Sensor measuring 119 degrees
FrE Possible freeze condition detected
FLO Flow problem
HL Temp above 118 degrees
ICE Freeze condition detected
LO Temp below 60 degrees - freeze
OH Spa temp exceeds acceptable limits
OP Open Sensor Degrees
PS Flow or pressure switch failure
SH Shorted sensor
SN1 Hi-limit sensor failure
SN2 Temp sensor failure
C Celsius
CL Current Time of Day
ECdu Economy Mode Duration
Econ Economy Mode Turn On
F Fahrenheit
FLC Pressure Switch Alarm
Fldu Filter Cycle Duration
FLO Pressure Switch Alarm
Flon Filter Cycle Turn On
FrEE Freeze Protection Alarm
HL High Temperature Alarm
Loc Panel / Keypad Locked
PrH Temperature Sensors Alarm
Prr Temperature Sensors Alarm
Tu Temperature Set Celsius
Tu Temperature Set Fahrenheit
1 Stuck Button
2 No Controller Data
3 Temperature Sensor
4 Water Sensor
5 Spa Over Temperature
6 Heater Thermal Cut Out
7 Stuck Heater Relay
9 Water Prime Failed
err 1 (H20) Prime Failed
err 3 Stuck Button
err 4 No Water Sensor
err 5 Overtemperature
err 6 Thermal Cut Out Tripped
err 7 Stuck Relay
err 8 No Temperature Data
F2 Panel sensors have been pressed too many times in a short period of time.
F4 Circuit Board temperature has exceeded acceptable limit.
F6 Freeze protection. No action is necessary.
FC Freeze protection. No action is necessary.
FL Spa water is more than 20° F cooler than the temperature set point.
OH Overheat Protection (Heater is deactivated, pumps low speed is activated).
SN Flow Switch (heater is deactivated. Pump may also be deactivated).
FLO Pressure switch malfunction Hold Panel buttons pressed to many times to quickly
HOT PCB temperature above acceptable limit - air blower on
ICE Potential freeze condition
ILOC Interlock failure - possible pump or ozone spike
Pnl Communication between
PCB and panel interrupted
Sn1 Hi-limit sensor failure
Sn3 Temp sensor failure
BJ2P Pump/Blower purge - normal condition
FP Freeze protect-temp under acceptable condition
HiLi Water temp over acceptable limit
PS / FLO Insuffcient water flow through heater. SS=0;SS=S;LS=O;LS=S Multiple causes; open sensors, bad connection to panel, improper voltage, etc.
E1 Open temp sensor
E2 Shorted hi-limit sensor
E3 Open hi-limit sensor
E4 Shorted flow switch
E7 Improper electrical connection
EO Shorted temp sensor
FL Pressure switch failure
Fr Freeze condition - temp below 40 degrees
OH Temp exceeds 118 degrees
FLO Flow problem
ICE Freeze condition detected
OH Spa temp exceeds acceptable limits
SN1 Hi-limit sensor failure
SN2 Temp sensor failure
--- = "Watchdog". Water temperature has reached 118ºF. Entire system is disabled. Contact qualified service technician.
COL Cool condition. If water temperature drops 20ºF below set temperature, low speed pump and heater activates to bring temperature within 15º of set temperature.
FL1 Water flow problem, inhibited or pressure switch malfunction. Check for proper spa water level and ensure pump is primed. Check for clogged filter.
FL2 Pressure switch problem. Switch closed while pump is deactivated.
ICE Freeze condition. 55ºF detected. Low speed pump and heater will activate until spa reaches 65ºF.
OH High temperature condition, has reached 110ºF. Do not enter the spa. Low speed pump (and air blower if so equipped) will activate to assist in lowering temperature.
Sn1 Nonfunctional high temperature sensor. Heater is deactivated.
Sn2 Nonfunctional temperature sensor. Heater is deactivated.
HL High limit switch tripped.
hot Overheating, water over 112° F. System will restart when temp. drops.
OH Overheating, water over 112° F. System will restart when temp. drops.
th1/39 On startup indicates temperature probe problem.
th2/current temperature On startup indicates temperature probe problem.
th3/39 On startup indicates water temperature less than 39° F.
---- Watchdog" (spa is deactivated) A problem has been detected.
COOL Spa water is more than 20° F cooler than the temperature set point.
FLO Flow Switch (heater is deactivated. Pump may also be deactivated).
FLO2 Closed or shorted flow switch on system startup Hold Panel sensors have been pressed too many times in a short period of time.
HOT Circuit Board temperature has exceeded acceptable limit.
ICE Freeze protection. No action is necessary. ICE2 Freeze protection. No action is necessary. OH Overheat Protection (Heater is deactivated, pumps low speed is activated).
PnL Communication between the panel and circuit board is faulty.
Sn1 Open sensor (heater is deactivated) or Shorted sensor (spa is deactivated).
Sn3 Open or shorted sensor ( heater disabled).
1 flash - 3 second gap High Limit fault
2 flashes - 3 second gap Pressure/Flow switch short circuit
3 flashes - 3 second gap Pressure/Flow switch open circuit
4 flashes - 3 second gap Open circuit Sensor(s)
Flash - 1 second on, 1 second off Same as OH
Flash - briefly OFF once per second Same as Sn1 or Sn3
Flash - briefly ON once per second Same as FLC
Blinking Power Indicator Light - Hydromate High Limit tripped or, sensor fault
1 flash per second - onga 4352, 53, 95, etc Pressure switch open circuit - could also be motor, or motor thermal overload
3 flashes per second - onga 4352, 53, 95, etc Electronic fault - sensor (most common cause) or PCB
Green flashes - Spaquip Pulsar/2095 series Water sensor fault - lack of water
Red/Green alternate flashes Temperature sensor fault, open circuit, or high limit tripped - push Reset Rod
CoLd Temperature in the spa heater housing is below 40° F. Status of the heater element is unknown. The low speed pump or circ pump will operate continuously until the temperature rises above 45° F.
HLoH Hi Limit Over Heat. Hi limit sensor is disconnected or shorted or the spa temperature is above 112° F. OH Over heat. The spa is at a temperature above 108° . Do not use spa when temperature is flashing or the OH message is displayed.
PSoC Pressure switch open with circulating pump. PSoH Pressure switch open with high pump. PSoL Pressure switch open with low pump.
SEoP Sensor open or disconnected. Heater disabled but the spa is operational.
SESH Sensor short, nonfunctional. Heater disabled but the spa is operational.
ToE Time out error. Rare system error. Spa unusable.
(---) Unknown water temperature. (Displays when first powered up after refill).
Cool Water temp 20° below set point
dr Inadequate water detected in heater..
dry Inadequate water detected in heater. (Displays on third occurrence of "dr" message). Spa is shut down.
Ecn Spa operating in Economy Mode.
Flo Improper flow or pressure switch malfunction
gFI GFCI Failure - The Control System Could Not Trip the "GFCI" (gFI).
The spa has determined that a GFCI is NOT properly installed in the circuit providing power to the spa, because an attempt was made to trip the GFCI and the expected power shut-down did not occur.
HFL Substantial difference between temperature sensors detected. Could indicate a flow problem. Check for All of the following Conditions:
Low Water Level.
Blocked Suction Fitting.
Blocked Skimmer.
Dirty Filter.
Too Many Closed Jets.
Closed Slice Valve.
Heat Related Pump Not Running.
Heat Related Pump Not Primed.
ICE Potential freeze condition has been detected
ILOC Interlock failure - possible pump or ozone spike.
LF Persistent low flow problems. (Displays on the 5th occurrence of "HFL" message with 24 hours). Heater is shut down, but other spa functions run normally.
OH Sensors reading 112-118° F.
OHH Overheat. Spa has shut down. One sensor has detected 118º F at heater.
OHS Overheat. Spa has shut down. One sensor has detected 110º F.
pd Power supply, unit running on battery backup
PHH PH is High
PHL PH is Low
Pr When spa is first actuated, it will go into Priming Mode.
rCA Change Mineral Cartridge - Time to "Change Mineral Cartridge Reminder" (rCA)
Install a New Mineral Cartridge per Manufacturers Instructions. Press "Mode" Button to Clear Message. All Reminder Messages can be Disabled through the Topside Panel Users Menu.
Note: The Balboa Default is to have this Message Disabled. Some Spa Brands or Models may have this Message Enabled, and the Interval between these Messages will be whatever the Spa Manufacturer has selected.
rCH New Filter - Time to "Change Filter Reminder" (rCH)
Appears Every 365 Days*. Install a New Filter Cartridge per Manufacturers Instructions. Press "Mode" Button to Clear Message. All Reminder Messages can be Disabled through the Topside Panel Users Menu.
* Note: The Balboa Default Interval is 365 Days, but some Spa Brands or Models may be Different.
rCL Clean Filter - Time to "Clean Filter Reminder" (rCL).
Appears Every 30 Days*. Remove, Clean, and Reinstall Spa Filter Cartridge per Manufacturers Instructions. Press "Mode" Button to Clear Message. All Reminder Messages can be Disabled through the Topside Panel Users Menu.
* Note: The Balboa Default Interval is 30 Days, but some Spa Brands or Models may be Different.
rPH Check PH - Time to Check "pH Level Reminder" (rPH).
Appears Every 7 Days*. Test and Adjust pH Level per Manufacturers Instructions. Press "Mode" Button to Clear Message. All Reminder Messages can be Disabled through the Topside Panel Users Menu.
* Note: The Balboa Default Interval is 7 Days, but some Spa Brands or Models may be Different.
rSA Check Sanitizer - Time to Check "Sanitizer Level Reminder" (rSA).
Appears Every 7 Days*. Test and Adjust Sanitizer Level per Manufacturers Instructions. Press "Mode" Button to Clear Message. All Reminder Messages can be Disabled through the Topside Panel Users Menu.
* Note: The Balboa Default Interval is 7 Days, but some Spa Brands or Models may be Different.
rt9 GFCI test - Time to "Test GFCI Reminder" (rtg).
Appears Every 30 Days*. Test and Reset the G.F.C.I. per Manufacturers Instructions. Press "Mode" Button to Clear Message. All Reminder Messages can be Disabled through the Topside Panel Users Menu.
* Note: The Balboa Default Interval is 30 Days, but some Spa Brands or Models may be Different.
SAH Sanitizer High - Time to Check "Sanitizer Level Reminder" (rSA).
Appears Every 7 Days*. Test and Adjust Sanitizer Level per Manufacturers Instructions. Press "Mode" Button to Clear Message. All Reminder Messages can be Disabled through the Topside Panel Users Menu.
* Note: The Balboa Default Interval is 7 Days, but some Spa Brands or Models may be Different.
SAL Sanitizer Low - At the ORP Sensor, the "Sanitizer Level is Low" (SAL).
With an ORP Sensor Installed in the System, the Sanitizer Level is Below 740 and needs to be Corrected. Add Sanitizer according to Manufacturers Instructions.
Note: If you do Not have an ORP Sensor installed in the Spa System, you should Never get this Message. Contact your Dealer or Service Organization.
SBY Standby - The Spa is Operating in the "Standby" (SbY) Mode.
All Automatic Spa System Functions are Disabled so that Pumps and Blower will not turn ON Automatically. This Mode allows the User to Replace or Clean a Pressure Side Filter Cartridge without Equipment turning ON unexpectedly. Press any Button except "Jets 1" to Exit and Return to Normal Operation.
SE Spa operating in Standard-in-Economy Mode.
SF Safety Suction, Spa is shut down.
SL Indicates spa is in Sleep mode
Sn1 Hi-limit sensor malfunction
Sn3 Temp sensor malfunction
SnA Spa is shut down. Sensor plugged into jack A is not working.
Snb Spa is shut down. Sensor plugged into jack B is not working.
SnS Sensors out of balance. If alternating with temp, may be temporary condition. If display shows only this message (blinking) spa is shut down.
Std Spa operating in Standard Mode.