285 Issue 1 - Service Manual - Iceberg
26
10.2 Damper motor assembly will not open
•
Check the power supply is turned ON, and is the correct polarity and voltage
(
MAINS/ACTIVE-IN
and
NEUTRAL
terminals).
•
Check the Control module is turned ON, and is correctly plugged into the power supply
switch.
•
Check that the wall control is turned ON, and calling for a pump or fan operation
•
Check if 240 Volt power present on the Winter Seal
MOTOR-SWITCH
(a) and
MOTOR
(b) Active Open terminals and Neutral (see diagram).
•
Check unit is not in delay operation e.g. Pre – Wet
10.3 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 complete damper motor assembly.
Neutral
Active
Check if 240 Volt power is present on
the damper motor assembly switch
A
and Motor
B
active open terminal and
Neutral
A
B
