Issues And Resolutions; Issues And Resolutions; Ota System Lockout; Smart Comm Fault - Aquacal Leisure Temp LT55 Installation Manual

OTA SYSTEM LOCKOUT

ISSUE
A malfunction has occurred that could allow the water temperature to surpass a safe level. An installed
"Over Temperature Alarm" kit has disabled the system.
See "Available Accessories" on page 67 for more information.
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RESOLUTION
Call for service.

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 not, set external controller mode to "none" instead of "SMART".
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2. Confirm connection points from the external controller to the heat pump are correctly configured.
See "Connecting Smart Bus Controllers" on page 25.
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3. 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 the external controller.
WATER TEMP SENSOR SHORT
ISSUE
Shorted or open water sensor.
RESOLUTION
A qualified technician should replace the water sensor.

2.2 Issues and Resolutions

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 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 contact Leisure Temp. See "Contacts" on page 1.
Page - 59
See "Configure for Smart Bus Controller" on page 26.
WATER TEMP SENSOR OPEN
or
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.