Service Manual 32 – Contour 3 Series, Profiler & Advance – Approved Issue 5 Printed 2/13/2014 11:50:17 AM
75
Cooler Operation
(cont.)
ServoSeal and Drain Valve Operation
(cont.)
If NO power present at ServoSeal motor Active Open terminal:
•
Check the N-E5 module is turned ON, and is correctly located in the mounting plug
and re-test for power.
•
REMOVE N-E5
and bridge power supply using a multimeter in series on Amp
setting, between
MAINS/ACTIVE-IN
and ServoSeal / drain valve
MOTOR
-
ACTIVE
Open terminal (Black) (see diagram).
WARNING
When powering the ServoSeal drain valve motor, ensure the ServoSeal is in a
position to open/close, depending on which direction the motor is to be driven.
If the motor is driven too far in either direction, damage will occur to the linkages and
mechanism.
OFF
10 A
V
COM
FUSED
1000V- - -
750V
V
Amps
Multimeter
A
MAINS ACTIVE-IN
MOTOR-ACTIVE
If ServoSeal / drain valve motor operates:
•
Check wiring and connections for open circuit.
•
Replace N-E5 module and re test.
If ServoSeal / drain valve motor doesn't operate:
•
Remove motor from gear linkage mechanism and re-test.
•
Replace motor.