Ceia THS/MS21 - Self-Diagnosis

5
FI002K0018v1100UK – THS/21 Instruction manual for installation, use and maintenance
MAINTENANCE
152 ORIGINAL INSTRUCTIONS
5.6 Self-diagnosis
The internal diagnostic system monitors the operational status of the Metal Detector. If a fault is
detected, the corresponding Fault message is shown on the display, and the acoustic/optical
signalling indicator and READY RELAY are activated as indicated in the Installation and
Maintenance Manual. After removing the cause, some faults are self-resetting (indicated by )
while other require a manual reset (indicated by ).
The I/O status menu can help to visualize the input and output lines status.
Refer also to the electrical diagrams included in this manual.
Fault Message Probable cause Action Type
NO COMMUNICATION
Fault in communication between
SCD and ALM cards
Check the Antenna cable wiring connection.
If the problem persists, contact Assistance Service
NO CONNECTION
Communication fault between SCD
and ALM cards
Check the SCD card connection to the ALM card.
Check the Probe connection cable.
If the problem persists, contact Assistance Service
Communication fault between RCU
and ALM cards
Check the RCU card connection to the ALM card.
If the fault is due to the RCU card, only the
message is shown, without the fault status being
activated.
POW. SUPPLY FAULT
ALM or SCD card power supply
section faulty
Check the Antenna cable wiring connection.
If the problem persists, contact Assistance Service
V SUPPLY TOO HIGH
24 V supply to the supply card too
high (higher than 40 V)
Check the power supply.
Vin FAULT
Vin voltage faulty.
Possible short circuit or wrong
connection of an input device
Disconnect all devices connected to the ALM card
inputs to identify the cause of the fault. If the
problem disappears, replace the faulty condition or
device.
If the problem persists contact Assistance Service
to replace the ALM card.
Vout FAULT
Vout voltage faulty.
Possible short circuit or wrong
connection of an output device
Disconnect the devices connected to Vout output.
If the problem disappears, replace the faulty
condition or device. If the problem persists contact
Assistance Service to replace the ALM card.
PROBE FAULT(x)
Connections of the probe cable
interrupted or probe faulty.
X: code for fault identification
Check the probe cable wiring connections with the
SCD card.
If the problem persists, contact Assistance Service
SCD CARD FAULT (X)
SCD card damaged
Check the connections between the probe and the
SCD card. If the problem persists, contact
Assistance Service to replace the SCD card.
COMPATIBIL.ERROR
SCD card incompatible with the SPM
memory data
Use SCD cards compatible with SPM.
Contact Assistance Service.
EMERGENCY
An emergency button has been
pressed (J13 5-6 and 9-10 open)
After the emergency button has been released,
Emergency reset is required (see below).
Without emergency buttons, leave J13 5-6 and 9-
10 jumpered.
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