EasyManua.ls Logo

Doppler DLC - 29 Contactor Failure

Default Icon
37 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
18
Go to Table
of Contents
29 Contactor Failure
Although there are no contactors activated, there is no
signal in CNT terminal. Check CNT wiring and definition.
Check also the wiring of the CNT circuit through nor-
mally closed aux-contacts of the contactors.
Cause
Troubleshooting
1. Check if there is a stuck contactor.
2. CNN is Neutral and CNT of the DLC1 T/H board feedback that
the Contactors K1-K2 and KF gets active. check the continuity
or the voltage to these contacts.
3. For hydraulic lifts, check KM-KD-KS and the thermal protection
Contactors.
TIP: Check electrical drawings pages 2-3