Fault Codes; Air Temp Sensor Open Or Air Temp Sensor Short; Clock Low Battery; Error At Primary Unit - Aquacal WATER SOURCE WS03 Installation Manual

2.1 Fault Codes

A fault code indicates a specific issue or condition that will require action before the equipment can resume
operating.
Please perform the following troubleshooting.
If the issue reoccurs, please contact AquaCal. See "Contacting AquaCal AutoPilot, Inc." on
page 1.
DANGER
Deactivate power while routing wiring to control board.
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Follow all National Electric Codes (NEC) and/or State and Local guidelines.
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WARNING
Repairs must not be attempted by untrained or unqualified individuals.
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The heat pump contains refrigerant under high pressure. Repairs to the refrigerant circuit must not be attempted by
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untrained or unqualified individuals. Service must be performed only by qualified HVAC technicians. Recover
refrigerant before opening the system.
NOTICE
Service by unauthorized personnel will void the heat pump warranty.
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AIR TEMP SENSOR OPEN
ISSUE
Open or shorted air sensor.
RESOLUTION
A qualified technician should replace the air sensor.

CLOCK LOW BATTERY

ISSUE
The real-time clock controller indicates a low battery condition.
The time will reset to factory default.
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If connected, a gas backup heater may start and stop at an incorrect time when set to use a "SCHEDULED"
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mode.
RESOLUTION
A qualified technician should replace the battery. The date and time will need to be reset on the heat
pump after replacement.

ERROR AT PRIMARY UNIT

ISSUE
The heat pump is secondary to a primary heat pump that is displaying a fault code.
RESOLUTION
The error at the primary heat pump must be corrected before the secondary unit will resume operation.
Failure to heed the following will result in injury or death.
Failure to heed the following may result in injury or death.
Failure to heed the following may result in damage to equipment.
AIR TEMP SENSOR SHORT
or
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