Diagnostics - Water Cooled - Scotsman C0530SR-1 Technical Manual

Diagnostics - Water Cooled

No Ice
Problem
No power to unit
No power to controller
Shut down on
maximum water fill
time
Shut down on
maximum freeze time
Likely Cause
Power disconnected
Transformer open
Water shut off
Water leak
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
Water pump not pumping
Pump hose disconnected
Compressor not operating
September 2006 Page 47
Probable Solution
Check breaker or fuse. Reset
or replace, restart and check
Replace transformer
Restore water supply
Check purge valve, curtain,
sump, pump hose
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
Water supply cut off, restore
water supply to condenser
Check pump motor, check
controller using test mode
Check hose
Check compressor contactor,
check controller using test
mode
Check compressor start
components, check PTCR
resistance and temperature
Check compressor voltage
Check compressor windings