Multi-Unit Comm Fault; Smart Comm Fault; Variable Drive Fault; Water Pump Comm Fault - Aquacal TropiCal T170 Operation Manual

MULTI-UNIT COMM FAULT

ISSUE
Secondary heat pump is not receiving a signal from the primary heat pump.
RESOLUTION
1. Confirm the primary heat pump is operating correctly. If, for example, no power is supplied to the primary
heat pump, an error will appear on the secondary heat pumps.

SMART COMM FAULT

ISSUE
Heat Pump is not receiving a signal from an external controller using a smart connection point.
RESOLUTION
1. Confirm a smart external controller is being used.
If unsure, contact installer of heat pump for more information. The heat pump may need to be
l
reconfigured to set external controller to "none".
2. If using a smart external controller, confirm the controller is correctly set to send signals to the heat pump.
See manuals or guides provided with the external controller.

VARIABLE DRIVE FAULT

ISSUE
A problem was detected in the variable speed compressor.
RESOLUTION
Deactivate heat pump at power disconnect.
Wait for two minutes for the capacitors to discharge.
Then reactivate heat pump's power at disconnect. If error reoccurs, call for service.

WATER PUMP COMM FAULT

ISSUE
The heat pump has lost communication with a connected water pump.
PLEASE NOTE:
The name of the water pump will be displayed for this fault. As an example, if the name
"CIRCULATION PUMP" was used when configuring the water pump as a piece of
equipment in the system, then the fault will display as "CIRCULATION PUMP
COMM FAULT".
RESOLUTION
A qualified service technician will need to confirm the water pump is working, properly connected, and
configured to the heat pump.
WATER TEMP SENSOR SHORT
ISSUE
Shorted or open water sensor connected to "W/S" port on main control board.
RESOLUTION
A qualified technician should replace the water sensor.
WATER TEMP SENSOR OPEN
or
Page - 61