Troubleshooting guide
Table Of Contents

1336 PLUS - 6.16 - September, 2001
3-8 Troubleshooting and Error Codes
Serial Fault
10
A SCANport adapter has been dis-
connected and the [Logic Mask] bit
for that adapter is set to “1.”
1. If no adapter was intentionally dis-
connected, check wiring to the
SCANport adapters. Replace wiring,
SCANport expander, SCANport
adapters, Main Control Board or
complete drive as required.
2. If an adapter was intentionally dis-
connected and the [Logic Mask] bit
for that adapter is set to “1”, this fault
will occur. To guard against this fault
occurring, set the [Logic Mask] bit for
the adapter to “0.”
3. Check HIM connection for proper
seating.
Shear Pin Fault
63
Programmed [Current Limit] amps
has been exceeded and [Shear Pin
Fault] is enabled.
Check load requirements and [Current
Limit] setting.
Sync Loss Fault
67
Not functional at time of printing.
Temp Sense Open
55
Heat sink thermistor is open or
malfunctioning.
Check thermistor and connections.
Undervolt Fault
04
DC Bus voltage fell below the mini-
mum value (388V DC at 460V AC
input). [Line Loss Fault] and [Low
Bus Fault] set to “enabled.”
Monitor the incoming AC line for low
voltage or line power interruption.
UV Short Fault
41
Excessive current has been
detected between these two output
terminals.
Check the motor and external wiring to
the drive output terminals for a shorted
condition.
UW Short Fault
42
Excessive current has been
detected between these two output
terminals.
Check the motor and external wiring to
the drive output terminals for a shorted
condition.
VW Short Fault
43
Excessive current has been
detected between these two output
terminals.
Check the motor and external wiring to
the drive output terminals for a shorted
condition.
Name & Fault # Description Action