Fault Finding Chart 3 - Raypak 131 Service Instructions Manual

Fault Finding Chart 1.5
1.5
Is an external time clock
or switch fitted?
NO
Test 12
Is 24 volts present at
relay 2 coil?
YES
Does the heater have an
auto reset PCB?
NO
Test 13
Are relay 2 contacts 6 & 4
closed?
YES
Test 15
Is there 24 volts at relay 1
coil?
YES
A
Test 14
Are 45ºC inlet high limit
contacts closed?
YES
Test 17
Are 55ºC outlet high limit
contacts closed?
YES
Test 18
Is 24 volts present at the
ignition module?
YES
TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
This document is stored and maintained electronically by
Is external switch or time
YES
clock on?
YES
Is 24 volts present at auto
YES
reset safety PCB inputs?
Are relay 1 contacts 6 & 4
closed?
YES
Is the ignition module
giving 4 flash indication?
Refer to section on ignition
module
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
NO
Test 22
Is 24 volts present at auto
YES
reset safety PCB output?
NO
NO
NO
Test 16
NO
45ºC inlet high limit has tripped
NO
55ºC outlet high limit has tripped
NO
NO
NO
25
External switch or time clock
NO must be on for burner to
Repair O/C wiring.
Test 23
Replace auto reset safety
NO
YES
Repair O/C wiring.
Replace relay 2.
Repair O/C wiring.
Replace relay 1.
Repair O/C wiring.
YES Replace ignition module.
operate.
PCB.
A
4
4
1.6