Flow Chart
LP
LP
Heat pump runs for a few seconds
Then shows LP
Heat pump does not run shows LP
Ambient Temp above 40
⁰
F?
Attach gauges to heat pump
Pressure > 120 PSI?
Check continuity on LP switch
If closed, check wiring to control/interface
Board. If wiring is good replace
control board
YES
Perform leak check on heat pump.
Leak found?
NO
YES
Repair leak, evacuate system to
500 microns vacuum, and
recharge with refrigerant
NO
YES
Refer to alternative leak detection
methods section on page 25
NO
Temp. too low.
Allow temp. to
warm to 50
⁰
F
Does fan come on when heat pump runs?
YES
Attach gauges to heat pump
Does suction pressure fall below 80PSI
when heat pump is running?
Heat Pump low on refrigerant
NO
Check fan motor and fan capacitor
Replace as needed
Summary of Contents for HCB110BTA
Page 1: ...Hayward Summit Heat Pump Troubleshooting Guide 2012 Hayward Industries ...
Page 2: ...Leave Blank Inside Front Cover ...
Page 21: ......
Page 22: ......
Page 23: ......
Page 25: ...Summit HeatMaster EnergyTherm EasyTemp Wiring Diagram ...
Page 33: ...Leave Blank Inside Back Cover ...