Megger TORKEL 910, User Manual

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TORKEL 900-SERiES ZP-CS01E CS033663DE
10 TROUBLESHOOTiNG
10
T
roubleshooting
Problem Cause Remedy
BVM connected to TORKEL
BVM does not get initialized
Problem with the connection to
BVM port
Check/verify BVM connector on TORKEL
Communication lost with BVM
units
Cable/power fault
Check cables, BVM units and Power
supply to the BVM units.
Check/replace the Power & Signal con-
verter.
if more than 60 BVM units connected,
extra cable needed. See the connection
diagram.
External measurement with current clamp
No readings Clamp ratio not set
Set ratio in “Configuration” “Settings
Turn on CT
Check battery/power supply
Faulty readings Zero adjustment not done zero adjust
Impossible to switch on the circuit breaker F1 on the TXL unit
Control cable from TORKEL to
TXL not connected properly
No voltage measurement in
TORKEL
Check battery connectors
Torkel fans revs up
Emergency Stop button pressed Release emergency stop button
Fans blocked Remove blocking objects from fan