User guide

Troubleshooting the FlexPak 3000 Drive
13-3
F00005
SUSTAINED OVERLOAD
Inverse time overload circuit trip.
Possible causes:
•
Incorrect armature current feedback scaling (
MOTOR RATED ARM AMPS
,
MAXIMUM CURRENT
,
CT TURNS RATIO
, and/or J18 not set properly).
•
Blown field supply fuse(s).
•
Mechanical binding preventing the motor shaft from rotating freely.
F00006
BLOWER MOTOR
STARTER OPEN
The blower motor starter is open. If a blower motor starter kit is not
installed, connector P8 must be fitted with the proper substitute connector
to inhibit this fault.
Possible causes:
•
Blown blower motor starter fuse(s).
•
Disconnected, loosely connected, or damaged blower motor starter
wiring.
•
Blower motor overload.
F00007
OPEN ARMATURE
The motor armature circuit is open.
Possible causes:
•
Motor armature winding not connected or open circuit.
•
Blown inverting fault (DC) fuse.
•
Inverting fault breaker tripped.
F00008
MOTOR THERMOSTAT
TRIP
Motor thermostat indicates high temperature. If a motor thermostat is not
used, customer terminal board pins 13 and 14 must be jumpered to inhibit
this fault.
Possible causes:
•
Damaged or disconnected motor thermostat wiring.
•
Inadequate ventilation.
•
Blower motor failure.
•
Incorrect blower rotation.
•
Blocked ventilation slots.
•
Clogged filters.
•
Excessive armature current.
•
One or more thyristors not operating.
Table 13.1 – Fault Codes (Continued)
Code OIM Display Description