5
FI002K0018v1530hUK – THS/21 Instruction manual for installation, use and maintenance
MAINTENANCE
192 ORIGINAL
INSTRUCTION
Fault Message
Probable cause
Action
Type
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 this, only the message is
shown, without the fault status being activated.
RESET EMERGENCY
A manual reset is required after the
emergency condition has been
removed or when starting the
System
Reset the System by pressing
button on
or by temporaring closing contacts on J5 pins 4-5.
-
On Systems without Emergency devices or
Emergency Reset buttons, keep J5 4-5 jumpered.
SPM NOT DETECTED
SPM Memory faulty or absent
(THS system not operative)
Check that the SPM memory is connected to the
SCD card. If the problem persists, contact
Maintenance Service.
-
V SUPPLY TOO HIGH
24 V supply to the supply card too
high (higher than 40 V)
Check the power supply.
