PAGE 68 Metor 6M
Installation and Operating Manual
17. MAINTENANCE 92102916 REV 5
Other error situations
WARNING! POWER LOSS!
Power cord disconnected or unit
switched OFF (Power Guard was ON)
Press ‘C’ to clear warning or reconnect
power
SYSTEM MESSAGE:
CTX-CABLE FAILURE!
(X is counter
transmitter #)
Zone display/counter cable not
connected or faulty
Check cable connections
Replace cable
SYSTEM MESSAGE:
CRX-CABLE FAILURE!
(X is counter
receiver #)
Counter cable not connected or faulty Check cable connections
Replace cable
SYSTEM MESSAGE:
UI IS MISSING
UI is missing Update UI
SYSTEM MESSAGE:
INVALID UI VERSION
UI version is incompatible Update UI version
INCOMPATIBLE
SW VERSIONS!
MCCU and MDPU versions are
incompatible
Update MCCU or MDPU to correct
version
ERROR SITUATION POSSIBLE CAUSE CORRECTIVE ACTION
Random alarming
External electromagnetic interference Change operating frequency, relocate
detector
No power to electronics
Power cable loose
Power supply has failed
Power cable inside TX panel has
failed
Check power cable
Replace power supply
Check by connecting power supply
directly to MELS
Change power cable
Zone display segment
does not light up
Zone display defective Replace zone display
Traffic counter does not
work, traffic lights are
always red.
Counter cables misconnected or
faulty
IR transmitter or receiver faulty
Check cable connections
Replace faulty cable
Refer to maintenance manual for
troubleshooting
Replace faulty IR unit
Metal detector does not
start
Power voltage is not connected Check power connections
Power switch is OFF Check that power switch is turned ON
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