Service Manual 32 – Contour 3 Series, Profiler & Advance – Approved Issue 5 Printed 2/13/2014 11:50:17 AM
55
Cooler Operation
(cont.)
Fan Operation
(cont.)
Motor Failure - Networker Error 60
Should the motor circuit and or the Coolers motor
main
winding
be open circuit, the N-E5 module will lockout and
display the error at the Networker
This error condition requires a power up reset to restore the
Coolers operation.
Refer to motor diagnostics for check list.
Service
Fan Motor will not Operate
•
Turn the fan ON in manual mode and make sure the motor is not in an operation
delay period i.e. Servoseal open time.
•
Check the impellor is free to turn.
•
Check the motor shaft is free to rotate and is not jammed.
•
Remove the N-E5 and check the motor wiring terminals are correctly positioned on
the circuit board and that the connections are good.
•
Check the motor winding resistance (refer Motor Circuit Diagram and Technical
Information Sheet).
OFF
10 A
V
COM
1000V- - -
750V
V
OHMS
Multimeter
FUSED
MOTOR/COMMON-BLUE
MOTOR/START-BLACK
MOTOR/RUN-BROWN
•
Check the motor is not HOT and the thermal over load switch is not open circuit.
•
Check the incoming power supply is ON and is the correct polarity.