Quincy Compressor Climate Control Series Instruction Manual page 36

Trouble
Excessive current draw
(To determine maximum
amper age allowed, multiply
the FLA on the motor
nameplate by the service
factor.)
CAUTION !
Motor surface temperature •No crankshaft endplay
normally exceeds 170° F.
Failure to start
Motor stalls
Climate Control Series
2022209100, August 2018
Probable Cause
•Low voltage (must be within 10% of name plate voltage)
•Loose electrical connection
•Wire size too small
•Incorrect lubricant
•Discharge pressure too high
•Intercooler plugging
•Bearings tight or seizing
•Motor sized incorrectly
•Motor defective
•Drive belts too tight
•Power not on
•Blown circuit fuse
•Overload relay tripped
•Low voltage
•Faulty start switch
•Power failure
•Pressure switch incorrectly
adjusted or faulty
•Loose or broken wire
•Motor defective
•Compressor seized
•Motor overloaded (refer to Excessive current draw)
34
CAUTION !
Thermal overloads are designed to
protect the motor from damage due
to motor overload. If the thermal
overload trips persistently, DO NOT
CONTINUE TO PUSH THE RESET
BUTTON! Contact your local Quincy
distributor for assistance.
Quincy Compressor