Service Manual 32 – Contour 3 Series, Profiler & Advance – Approved Issue 5 Printed 2/13/2014 11:50:17 AM
73
Cooler Operation
(cont.)
ServoSeal and Drain Valve Operation
(cont.)
ServoSeal will not open / drain close
•
Check the power supply is turned ON, and is the correct polarity and voltage
(
MAINS/ACTIVE-IN
and
NEUTRAL
terminals).
•
Check the N-E5 module is turned ON, and is correctly located in the mounting
plug.
•
Check that the Networker is turned ON, and calling for a pump or fan operation
(allow 45 seconds following a wash operation).
•
Check if 240 Volt power present on the ServoSeal / drain valve
MOTOR-SWITCH
(a) and
MOTOR
(b) Active Open terminals and Neutral (see diagram).
If power is present to the switch terminal, but not to the motor terminal
:
•
Check wiring loom and connections between the motor and the micro switch for
open circuit.
•
Check the
MOTOR/MICRO-SWITCH
cam shaft is not damaged.
•
Replace the faulty motor micro switch.
OFF
10 A
V
COM
FUSED
1000V- - -
750V
V
VOLTS
Multimeter
240
(a)
MAINS ACTIVE-IN
(b)
MOTOR/MICRO-SWITCH
MOTOR-ACTIVE