CRANEX
®
Novus e 4. Troubleshooting
Service manual 65
CAUSE B
The display backlight power level has been set to OFF.
SOLUTION B
Use the service terminal to change the display backlight
power level.
Error E3 (CFG Data lost)
CAUSE
L1200, CPU board, has lost the calibration data and
settings.
SOLUTION
Recalibrate L1200, see 5. Service Assistant and Ser-
vice Functions.
The required calibrations are:
- IP address will default, must be reset if another ad-
dress is required (see installation manual)
- tubehead calibration: service command "calib"
- line voltage calibration
- set the serial number
If the error message reappears after recalibration,
L1200 is faulty. Replace, see 7.5 Replacing circuit
boards.
Error E5 (Line voltage out of limits)
CAUSE A
Line voltage to high or low.
SOLUTION A
The error code will clear automatically when the voltage
returns to its normal level.
If the voltage is not stable where the unit is being used,
you may have to instal a voltage stabilizer.
CAUSE B
Line voltage has not been calibrated.
SOLUTION B
Calibrate the line voltage.
CAUSE C
Faulty cable(s).
SOLUTION C
Check cables and connections between
P1910 and L1500
L1500 and L1700
L1700 and L1200.
Replace any faulty cables or boards with faulty connec-
tors.
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