TAVRIDA ELECTRIC Rec15/25 Al1 5p, User Manual, Page: 81 / 136

81
Active Malfunction 7.2.3
Replacing procedure for components is described in paragraph “7.3 Rec15/25 Components Replacing
P
rocedures”
7.2.3.1 RCM Fault
Possible reason Malfunction identification procedure Corrective action
Internal fault of the RCM. None Replace the RCM
7.2.3.2 Driver Fault
Possible reason Malfunction identification procedure Corrective action
Internal fault of the driver module. None Replace the RCM
7.2.3.3 IOM Fault
Possible reason Malfunction identification procedure Corrective action
Internal fault of the Input/Output module. None
Replace the IOM. If the new IOM does
not work as well, replace the RCM
together with the IOM
7.2.3.4 RTU Short Circuit
Possible reason Malfunction identification procedure Corrective action
Internal RTU short circuit
Disconnect the RTU from the power supply
Turn the RTU supply on via the MMI If signal
disappears short circuit is inside the RTU
Replace RTU
Short circuit in the wires connecting RTU
and RCM
If the signal does not
disappear disconnect Plug “10”
If the signal disappears the short circuit is in the wiring
between the RTU and the RCM Replace the wiring
RCM malfunction If the signal does not disappear the problem is in the
RCM
Replace the RCM
Figure 80
RCM RTU power supply plug
NOTE! Wire numbers shall comply with the numbers of the socket.