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C2648 Prodigy and Prodigy Plus Service Manual
Diagnostics
Problem
No power to unit
No power to controller
Shut down on max. water fill time
Shut down on maximum freeze
time
Likely Cause
Power disconnected
Transformer open
Water shut off
Water leak
Dirty condenser
Restricted location, intake air too
hot
Ice thickness sensor dirty or
disconnected
Water distributor dirty
Inlet water valve leaks through
during freeze
Connected to hot water
Incomplete harvest
High pressure cut out opened
Fan motor not turning
Water pump not pumping
Pump hose disconnected
Liquid line valve does not open
Compressor not operating
January 2015
Page 40
Probable Solution
Check breaker or fuse. Reset or
replace, restart and check
Replace transformer
Restore water supply
Check purge valve, curtain, sump,
pump hose
Clean condenser
Have condenser moved
Check ice thickness sensor probe
Remove and clean water
distributor
Check inlet water valve
Check for bleed thru from / missing
check valve in building water
supply
Check harvest system
Check check fan motor
Check quick connects for complete
piercing
Check fan motor, check fan blade
Check pump motor, check
controller using test mode
Check hose
Check coil of valve, check
controller using test mode.
Check compressor contactor,
check controller using test mode
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