Service Manual 32 – Contour 3 Series, Profiler & Advance – Approved Issue 5 Printed 2/13/2014 11:50:17 AM
69
Cooler Operation
(cont.)
Water Inlet Solenoid Operation
(cont.)
If NO power:
•
Check the Cooler's operation is not in a delay period preventing the water inlet
solenoid from functioning.
•
Check the power supply is turned ON and is the correct polarity and voltage
(Mains Active In and Neutral terminals).
•
Check the N-E5 8 Amp fuse is not open circuit.
•
Check the N-E5 module is turned ON and is correctly located in the mounting plug.
Bridge power supply using a multimeter in series on Amp setting between
MAINS/ACTIVE-IN
and
WATER INLET SOLENOID-ACTIVE
terminals.
Note - Only
a Qualified electrician should perform this procedure as it involves full current
240 volt electricity.
OFF
10 A
V
COM
FUSED
1000V- - -
750V
V
Amps
Multimeter
A
MAINS ACTIVE-IN
INLET VALVE - ACTIVE
If water inlet solenoid operates:
•
Replace N-E5 module, and check for output voltage to the water inlet solenoid.
If water inlet solenoid doesn't operate:
•
Check wiring terminals & loom.
•
Check water inlet solenoid is not blocked or jammed.
•
Replace water inlet solenoid.