Conair EARTHSMART UGH031-0209 - Manual (Page 58)

Tr o u b l e s h o o t i n g
( c o n t i n u e d )
Problem
Compressor will not start.
Possible cause
High pressure switch has been tripped.
Circuit breaker has been tripped.
Loose wire connection or defective
start capacitor.
The actual “To Process” temperature is
below the setpoint.
Damaged or defective start capacitor.
Poor water flow.
Damaged or defective compressor.
Solution
Reset the High Pressure switch. See
Operation section entitled, Resetting
the High Pressure Switch.
Verify resistance to ground. Reset
breaker.
See Troubleshooting section
entitled, Checking or Resetting the
Circuit Breakers.
Check wiring diagrams, see Appendix
H entitled, Electrical Schematic ,
replace connections or capacitor.
Lower setpoint temperature value. See
Operation section entitled, Starting the
Chiller.
Contact Conair Service.
Check pump rotation.
Clean the pump strainer. See
Maintenance section entitled, Cleaning
the Pump Strainer.
Have a certified refrigeration
technician replace the compressor.
6 - 6 l Tr o u b l e s h o o t i n g
NOTE: Also, see
Troubleshooting section,
entitled, Troubleshooting,
“Chiller shuts down due
to a High Pressure switch
alarm” and “Chiller shuts
down due to a Low
Pressure switch”.
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