Service Manual 32 – Contour 3 Series, Profiler & Advance – Approved Issue 5 Printed 2/13/2014 11:50:17 AM
57
Cooler Operation:
(cont.)
Fan Operation
(cont.)
Fan Motor will not operate (cont.)
If no Volts present:
•
Bridge terminals
MOTOR/RUN-BROWN
and
MAINS/ACTIVE-IN
using a
multimeter set on Amps (check current for motor - refer motor specs).
Caution:
This procedure is placing full 240 volt current onto the motor, only a
qualified electrician should perform this procedure.
NOTE:
Because the start winding is not in circuit, the motor may need to be manually
turned to start.
OFF
10 A
V
COM
FUSED
1000V- - -
750V
V
Amps
Multimeter
4.7
A
MOTOR/RUN-BROWN
MAINS ACTIVE-IN
If motor runs:
•
Check the motor wiring loom and all terminals.
•
Check minimum RPM setting (see section - Service Adjustments using the
Networker.
•
Check the N-E5 internal 8 Amp fuse is not open circuit.
•
Replace N-E5 and test again.
•
Check that the ServoSeal has been driven open, indicating Networker signal
operating correctly.
If ServoSeal not open
•
Replace Networker and test again.
If motor doesn't run:
•
Replace motor.