TAVRIDA ELECTRIC Rec15/25 Al1 5p, User Manual, Page: 83 / 136

83
RCM.
Plug “13” wires 1(+) and 2(-)
Check the wiring connection to the battery terminals.
“+” terminal = wire with “+” mark
“-” terminal = battery sensor
In case signal disappears you have located the
problem
Wiring malfunction
Disconnect the wiring from the RCM.
Plug “13” wires 1(+) and 2(-)
Disconnect the wiring from the battery
Wires marked “+” and “-”
Check that switch and wiring is not short circuited or
broken.
NOTE! Reconnect the wiring properly after the tests
are done
Replace the wiring assembly
Internal fault of the battery
If none of the above described reasons were
confirmed it is likely to be an internal battery fault
Replace the battery
Figure 83
RCM battery and battery sensor inputs Plug “13”
NOTE! Wire numbers comply with the numbers of inputs in the plug.
7.2.3.7 Excessive Trip Time
Possible reason Malfunction identification procedure Corrective action
OSM coil short circuit
Check if the reading in the malfunction log “OSM coil
short circuit” is present
Refer to 7.2.3.10
OSM coil open circuit
Check if the reading in malfunction log “OSM coil
open circuit” is present
Refer to 7.2.3.9
Driver is not ready
Check if the malfunction “Driver is not ready” is
present
Wait for 1 min and open the OSM
The “Excessive trip time malfunction”
will disappear
RCM malfunction
Switch off the RC5_4 and battery
Disconnect plug “8“ from the RCM
Disconnect wire 7 and 8 from plug “8”
Short circuit inputs 7 and 8 of plug “8” by a short
piece of insulated wire. See Figure 79
Connect
plug “8” to the RCM
Switch on RC5_4 and battery
The indication of the main contact position should
change to “Open”
If the indication doesn’t change to “Open” the
malfunction is in the RCM
Replace the RCM