Fault On Single Channel Only - Teledyne 440 System Manual

9.3.1 Fault on Single Channel Only

Single channel fault
Power-off the System
Swap the coil cable
on the faulty channel
Is the Yes
channel
working?
No
Swap the coil on the
faulty channel
Is the Yes
channel
working?
No
Disassemble the SEP.
See sub-section 10.2.2
Check connections and
wiring to the Driver Board
Is the No
wiring
good?
Yes
Go to CHART 2
Figure 9-4: Single channel failure – CHART 1
DPN 402196 Issue 4.1
Renew the faulty
coil cable
Renew the faulty coil.
Repair or renew the
connector wiring.
© Teledyne TSS
9 – Maintenance
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