CRANEX
®
Novus e 4. Troubleshooting
Service manual 67
Error E19 (Exposure switch stuck down)
CAUSE
Exposure switch stuck down during unit start up.
SOLUTION
Switch the unit off and check that the exposure switch
is not stuck in the exposure position. Switch the unit on
again. If the message reappears, the switch is faulty,
replace.
Error E20 (PCF: POWERGOOD signal is down)
CAUSE
No power signal.
SOLUTION
Check to see if the signal is present on L1500.
If the signal is not present, replace P1910.
If signal is present, the fault could be in the signal rout-
ing. Check signal on L1500, L1700 and L1200 and in
the relevant cables. Replace any faulty boards or ca-
bles.
Error E22 (Button stuck)
Appears only on start-up
CAUSE
The membrane switches on the column are stuck.
SOLUTION
Reboot, if probles persists, replace the membrane but-
tons.
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