Troubleshooting - Sears GT Series Installation Instructions Manual

TROUBLESHOOTING
GT Series Water Source Heat Pump is equipped with an externally
mounted LCD screen that displays unit errors. (See Fig. 81)
IMPORTANT: The following Troubleshooting tables are
designed to help identify possible causes and solutions for
problems. There could be more than one cause/solution to a
problem that can be applied. Check each cause and adopt
"process of elimination" and/or verification of each before
making a conclusion.
Fig. 81 - GT Unit Error LCD Screen
A14134
1.64
1.52
1.86
1.63
1.85
No Power
On/Off Switch Position
Compressor Contactor
Broken or loose wires
Air Lock
Stuck pump shaft/impeller
Defective pump
Kinked or under sized water piping
Water temp limit closed
or fouled heat exchanger
32