Fault Finding Chart 1.1; Fault Finding Chart 1.6 & 1.7 - Raypak 131 Service Instructions Manual

Fault Finding Chart 1.1

1.1
Unplug heater power supply cord
set from GPO.
Disconnect heater power supply
cord set from line terminal block and
megger between cord set active and
earth pins then cord set neutral and
earth pins.
Disconnect transformer at line terminal
block and measure between each
transformer wire and earth.
Fault Finding Chart 1.2
1.2
Test 7
Is 240 volts present
at line terminal block?
Test 8A for black boards
YES
Test 8B for grey boards
Is 24 volts present at
control board
terminal marked
„24VAC‟
NO
Test 9
Has the control circuit
fuse blown?
YES
Replace control
circuit fuse.
TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
This document is stored and maintained electronically by
Replace fuse.
NO
Is reading less than 1
mega-ohm for either
reading
NO
Is reading less than 1
mega-ohm for either
reading
NO
YES
NO
Did control circuit
fuse blow again?
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
Did fuse blow
YES
again?
YES
YES
NO
Test 9
NO
YES
22
Household wiring, power point or
another connected appliance is
faulty. Advise customer to call an
electrician.
Replace heater power supply cord
set.
Replace transformer.
Look for damaged or pinched wiring
touching the heater chassis.
Replace heater power supply cord
set.
Replace control board.
Replace transformer.
Faulty fuse replaced, check
appliance operation.
Resistance values for each control
circuit component will need to be
checked against resistance values in
specification table to locate the faulty
component or faulty wiring.