Issues And Resolutions; Issues And Resolutions; Smart Comm Fault; Water Temp Sensor Short Or Water Temp Sensor Open - Aquacal GBB Series Operation Manual

SMART COMM FAULT

ISSUE
Heat Pump is not receiving a signal from an external controller using a smart bus connection point.
RESOLUTION
1. Confirm a smart bus external controller is being used.
If unsure, contact installer of heat pump for more information. The heat pump may need to be
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reconfigured to set external controller to "none".
2. If using a smart bus external controller, confirm the controller is correctly set to send signals to the heat
pump. See manuals or guides provided with external controller.
WATER TEMP SENSOR SHORT
ISSUE
Shorted or open water sensor.
RESOLUTION
A qualified technician should replace the water sensor.

3.2 Issues and Resolutions

WARNING
Repairs must not be attempted by untrained or unqualified individuals.
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The heat pump contains refrigerant under 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 factory warranty.
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Please perform the following troubleshooting.
For further assistance, please see "Contacting AquaCal AutoPilot, Inc." on page 1.

A Front Panel Warning Indicator is Red (Select Units)

ISSUE
The Heat Pump is experiencing an incoming power fluctuation.
RESOLUTION
An electrician should check for improper electrical site conditions.

Blank Display

ISSUE
The Heat Pump may have an incoming power problem.
RESOLUTION
Confirm electrical power is being supplied to heat pump from electrical disconnect(s).
WATER TEMP SENSOR OPEN
or
Failure to heed the following may result in injury or death.
Failure to heed the following may result in damage to equipment.
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