service manual.vp - eTundra
service manual.vp - eTundra
service manual.vp - eTundra
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Diagnostics - Water Cooled<br />
No Ice<br />
Problem Likely Cause Probable Solution<br />
No power to unit<br />
Power disconnected<br />
Check breaker or fuse. Reset<br />
or replace, restart and check<br />
No power to controller Transformer open Replace transformer<br />
Shut down on<br />
maximum water fill<br />
time<br />
Shut down on<br />
maximum freeze time<br />
Water shut off<br />
Water leak<br />
Ice thickness sensor dirty or<br />
disconnected<br />
Water distributor dirty<br />
Inlet water valve leaks through<br />
during freeze<br />
Connected to hot water<br />
Incomplete harvest<br />
High pressure cut out opened<br />
Water pump not pumping<br />
Pump hose disconnected<br />
Compressor not operating<br />
Restore water supply<br />
Check purge valve, curtain,<br />
sump, pump hose<br />
Check ice thickness sensor<br />
probe<br />
Remove and clean water<br />
distributor<br />
Check inlet water valve<br />
Check for bleed thru from /<br />
missing check valve in building<br />
water supply<br />
Check harvest system<br />
Water supply cut off, restore<br />
water supply to condenser<br />
Check pump motor, check<br />
controller using test mode<br />
Check hose<br />
Check compressor contactor,<br />
check controller using test<br />
mode<br />
Check compressor start<br />
components, check PTCR<br />
resistance and temperature<br />
Check compressor voltage<br />
Check compressor windings<br />
September 2006 Page 47
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