TAVRIDA ELECTRIC Rec15/25 Al1 5p, User Manual, Page: 88 / 136

88
7.2.3.11 Driver Not Ready
Possible reason Malfunction identification procedure Corrective action
Switching capacitors are still charging
Wait for 60 s. If the signal disappears this warning is
not associated with any malfunction.
Not required
OSM coil short circuit or OSM coil
isolated
In case this message has not disappeared and
messages
“OSM coil short circuit” or “OSM coil
isolated” appear it is necessary to remove the
reason of these malfunctions.
Fix the “OSM coil short circuit” (refer to
7.2.3.10
) or “OSM coil open circuit”
(refer to 7.2.3.9)
RCM malfunction
If none of the above described actions helped it is an
RCM malfunction
Replace the RCM
7.3 Rec15/25 Component Replacement Procedures
RCM Replacement 7.3.1
7.3.1.1 Dismounting
1) Disconnect all wiring assemblies and the earthing wire connected to the RCM;
2) Unscrew four nuts fixing the RCM and remove the washers (Figure 88);
3) Pull the RCM from the fixing studs and take it out of the housing.
Figure 88
RCM with fixing nuts and washers (marked by arrows)
7.3.1.2 Installation
1) Take a spare RCM with appropriate protective, system and communication settings and put it on the fixing
studs and install washers;
2) Tighten four nuts fixing RCM;
3) Connect the wiring to the RCM according to the wiring assembly diagram (Figure 89).