Avantco MC49 Podręcznik użytkownika - Strona 6
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User Manual
Troubleshooting
Compressor Will Not Start,
Service cord unplugged
Fuse blown or removed
Control stuck open
Wiring incorrect
Compressor Will Not Start,
Improperly wired
Low voltage to unit
Starting capacitor defective
Relay failing to close
Compressor Starts & Runs
Low voltage to unit
Overload defective
Excessive head pressure
Compressor hot-return gas hot
No Hum
Plug in service cord
Determine reasons and correct
Repair or replace
Check wiring against the diagram
Hums but Trips Overload Protector
Check against the wiring diagram
Determine the reason and correct
Determine the reason and replace
Determine the reason, correct or replace
but Short Cycles on Overload Protector
Determine the reason and correct
Check current, replace overload protector
Check ventilation or restriction in refrigeration system
Check refrigeration charge, fix leak if necessary
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