Peak Scientific Corona CA, Service Manual

Page: 23 / 25

Corona CA Service Manual
Page 23
Trouble Shooting
Problem Possible solution
The Generator will not switch on
and the power switch does not
illuminate.
•
Ensure power cord is plugged into the Generator
and that the power socket is turned on.
•
Check the fuse in the power cord plug.
•
Check for any disconnected terminals at
power socket connected at inside rear of unit.
•
Check for loose connections at inside of power switch
located on front of Generator.
•
Check for 230VAC going into DC power supply
•
Check for 24VDC coming from power supply
•
Check circuit breakers are ON – switched up
•
Contact Peak Scientific Technical Help.
The Generator will not switch on
but the power switch is
illuminated.
•
Disconnect power cord from the rear of the
Generator and open LH panel:
•
Check that both circuit breakers are turned on
(switch in the up position). Reconnect power cord.
•
Check that both compressor electrical plugs are connected.
•
Check compressor contactors for loose wires.
•
Check PLC for loose wires.
•
Check pressure switch for loose wires.
•
Connect power cord and power up Generator and open LH
panel:
•
Check for 24V coming out of power supply.
•
Check pressure switch LED is lit.
•
Check PLC to ensure RUN light is illuminated.
•
Check continuity across compressor contactors
•
Contact Peak Scientific Technical Help.
Compressor is running but
pressure is not building in system.
•
Check drain outlet at rear of Generator is not
passing air.
•
Open the right hand panel and check if tank
pressure gauge is rising thus pressure being built in receiver
tanks.
•
Open right hand panel and check pressure regulator.
•
Check for leaks in system.
•
Contact Peak Scientific Technical Help.
The mass spec is reporting low
pressure.
•
Check pressure gauge is set to factory settings.
•
Check output flow from the Generator is set to factory
settings.
•
Check for leaks between receiver tanks and Generator
output.
•
Check for leaks between Generator output and Mass
Spectrometer.
•
Contact Peak Scientific Technical Help.
Yellow Service LED on front panel
is on constantly.
•
Compressor due for service.
•
Replace compressor – refer to Compressor Replacement OR
•
Refit compressor