Blank Display; Can't Set Temperature Above 96° F (35.6° C); Circulation Pump Won't Activate; Display Panel Not Responding - Aquacal Water Source WS03 Installation Manual

Blank Display

ISSUE
The Heat Pump may have an incoming power problem.
RESOLUTION
Confirm electrical power is being supplied to the heat pump from electrical disconnect(s).
If the heat pump is a 3-phase unit, a qualified technician should check for low voltage or phase loss.
1. If equipped with an ICM three-phase monitor, a qualified technician should check the display screen
located inside the unit's electrical panel.
See "ICM Digital 3-Phase Monitor" on page 71.
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2. If the issue is still occurring, contact the heat pump installer or manufacturer.
Can't set temperature above 96° F (35.6° C)
ISSUE
The maximum allowed set temperature for a Water Source unit is 96° F (35.6° C).
RESOLUTION
Install an over temperature safety device. This will allow a maximum set temperature of 104° F (40°
C). See "Over Temperature Alarm Kit" on page 64.

Circulation Pump Won't Activate

ISSUE
A circulation pump controlled by the heat pump will not activate as needed.
RESOLUTION
1. Confirm circulation pump is included in any group that requires it.
2. Confirm the group containing the circulation pump has an appropriate schedule. See "Edit a Schedule" on
page 51.
3. Confirm the schedule mode is set to "AUTO" and the scheduled program mode is set to "ON". See
"Schedule and Program Modes" on page 53.

Display Panel Not Responding

ISSUE
The heat pump's display panel will not respond to user input.
RESOLUTION
1. If heat pump display shows
the heat pump.
2. If needed, check with the external controller manufacturer for further assistance using that device.
Displays Defrosting
"UNDER REMOTE CONTROL", use the external control device to control
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