Aquacal 175, 35, 55 quick start Troubleshooting, Error Codes, Symptom Rule OUT Resolution FLO, Ota

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Page 5

SECTION 5 - TROUBLESHOOTING

ERROR CODES

SYMPTOM

RULE OUT

RESOLUTION

 

 

 

"FLO"

 

 

Insufficient water flow

 

Step 1:

through heater or

Insufficient Water Flow

Confirm water pump is on and water valves are in the correct position to allow

circulation pump is off

 

water to flow through Heat Pump. If error persists, proceed to next step.

 

Filtration Dirty

Step 2:

 

Confirm filtration system is clean. Backwash if needed. If error persists,

 

 

proceed to next step.

 

Possible Water

Step 3:

 

Pressure Switch

Request Service

“CEr” Error

 

 

Communication Fault

N/A

Request Service

“CSE” Error

 

 

Control System Error

N/A

Request Service

“dPC” Error

 

 

Defrost Sensor Shorted

N/A

Request Service

“dPO” Error

 

 

Defrost Sensor Open

N/A

Request Service

“FS” Error

 

 

Unit in defrost mode.

Normal defrost mode

Step 1:

 

If error persists after air temperature is over 50° F, request service.

 

 

“HP” Error

 

 

High Pressure.

Insufficient Water Flow

Step 1:

 

Confirm water pump is on and water valves are in the correct position to allow

 

 

water to flow through Heat Pump. If error persists, proceed to next step.

 

 

Step 2:

 

Filtration Dirty

Confirm filtration system is clean. Backwash if needed. If error persists,

 

 

proceed to next step.

 

Possible Refrigerant

Step 3:

 

Issue

Request Service

“HP5” Error

 

 

Equipment has

Insufficient Water Flow

Step 1:

registered high pressure

Follow steps outlined in “HP” error, then reset circuit breaker to clear error. If

and/or Filtration Dirty

five times and locked.

error persists, request service.

 

“LP” Error

 

 

Refrigerant Issue

N/A

Request Service

“LP5” Error

 

 

Refrigerant Issue

N/A

Request Service

“OTA”

 

 

Over Temperature

 

 

Alarm

Other heating

Check if alternate heater (such as a solar heater) is heating water leading to

 

heat pump. If “yes”, turn off alternate heater and check if error clears. If error

 

equipment

Temperature over

persists, request service.

 

110° F (Unit Locked)

 

 

“PC” Error

 

 

Water Temperature

N/A

Request Service

Sensor Shorted

 

 

“PO” Error

 

 

Water Temperature

N/A

Request Service

Sensor Open

 

 

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Contents Heat Pump General Information SafetySpecifications Contacting Aquacal AutopilotEquipment Clearances InstallationPlumbing Schematic Electrical RequirementsButtons Indicator LightsOperation DisplayPool Chemistry MaintenanceProgramming WinterizingSymptom Rule OUT Resolution FLO TroubleshootingError Codes OTA

55, 175, 75, 35 specifications

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