Conair GasTrac User Manual page 55

When a problem occurs, the variable speed
Fault code
controller displays the parameter 07 and a
two-digit fault code. You must correct the
problem before restarting the GasTrac. To
restart after an alarm:
ESC SEL
1
2
!
WARNING: The GasTrac should be tested and
repaired only by qualified technicians equipped with the
correct tools and trained in the maintenance and repair
of electrical systems and industrial gas appliances.
Alarm
07 43
Phase VW Short
Fault
07 48
Power Test Fault
UGD014/0497
Turn the power disconnect
Press the GasTrac
RUN
Possible cause
Excessive voltage was
detected between the V
and W controller output
phases.
An electrical fault was
detected during the initial
start-up sequence.
GasTrac Process Air Heater
V
C
A
then .
OFF ON
button.
Solution
Check for a shorted condi-
tion in the wiring to the
controller.
Check motor wiring
Check wiring to the con-
troller..
Check wiring to the motor.
T
ROUBLESHOOTING
S
ARIABLE PEED
ONTROLLER
LARMS
6-13