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7462
Error
code or
message
936.31
Main drive motor
assembly failure
No lock detected at
motor start for motor
ID.
Motor = type 1
936.60
Main drive motor
assembly failure
No lock detected at
normal motor start.
Motor = type 0
936.61
Main drive motor
assembly failure
No lock detected at
normal motor start.
Motor = type 1
936.90
Main drive motor
assembly failure
Stall detected during
speed control.
Motor = type 0
2-100
Service Manual
Error contents
The main drive motor assembly
may be faulty or has failed.
The main drive motor assembly
may be faulty or has failed.
The main drive motor assembly
may be faulty or has failed.
The main drive motor assembly
may be faulty or has failed.
Description/Action
Possible repair actions
1. Check all connections on
the system card assembly.
2. Check all connections on
the main drive motor
assembly.
3. Replace the main drive
motor assembly. Go to
"Main drive motor
assembly removal" on
page
4-20.
4. Replace the system card
assembly if problem
remains. Go to
"System
card assembly removal"
on page
4-50.
1. Check all connections on
the system card assembly.
2. Check all connections on
the main drive motor
assembly.
3. Replace the main drive
motor assembly. Go to
"Main drive motor
assembly removal" on
page
4-20.
4. Replace the system card
assembly if problem
remains. Go to
"System
card assembly removal"
on page
4-50.
1. Check all connections on
the system card assembly.
2. Check all connections on
the main drive motor
assembly.
3. Replace the main drive
motor assembly. Go to
"Main drive motor
assembly removal" on
page
4-20.
4. Replace the system card
assembly if problem
remains. Go to
"System
card assembly removal"
on page
4-50.
1. Check all connections on
the system card assembly.
2. Check all connections on
the main drive motor
assembly.
3. Replace the main drive
motor assembly. Go to
"Main drive motor
assembly removal" on
page
4-20.
4. Replace the system card
assembly if problem
remains. Go to
"System
card assembly removal"
on page
4-50.
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