2-82 Service Manual
4062
915.00 Redrive motor
encoder not detected
failure
The redrive motor encoder
detection is lost during normal
operation.
1. Check all the connections on
the redrive motor assembly.
2. Check all the connections on
the system card assembly.
3. Replace the redrive motor
assembly if problem remains.
Go to “Redrive motor
assembly removal (T652,
T654, T656)” on page 4-62.
915.01 Redrive motor over
speed failure
The redrive motor does not
rotate at the specified speed.
1. Check all the connections on
the redrive motor assembly.
2. Check all the connections on
the system card assembly.
3. Replace the redrive motor
assembly if problem remains.
Go to “Redrive motor
assembly removal (T652,
T654, T656)” on page 4-62.
916.00 Internal duplex drive
motor encoder not
detected failure
The duplex drive motor
encoder detection is lost during
normal operation
1. Check all the connections on
the duplex drive motor
assembly.
2. Check all the connections on
the system card assembly.
3. Replace the duplex drive
motor assembly if problem
remains.
Go to “Duplex drive motor
assembly removal (T652,
T654, T656)” on page 4-18.
916.01 Internal duplex drive
motor over speed
failure
The duplex drive motor does
not rotate at the specified
speed.
1. Check all the connections on
the duplex drive motor
assembly.
2. Check all the connections on
the system card assembly.
3. Replace the duplex drive
motor assembly if problem
remains.
Go to “Duplex drive motor
assembly removal (T652,
T654, T656)” on page 4-18.
Error
code or
message
Error contents Description/Action Possible repair actions