Test Procedures; Fault Finding Chart 9 - Raypak 131 Service Instructions Manual

Fault Finding Chart 9

9
Is noise a screaming or
whining sound?
NO
Is noise a creaking or
cracking sound?
NO
Is noise from burner i.e
harsh flame?
NO
Is noise from nearby
equipment i.e pool pump?

Test Procedures

Fault Finding Tests 1 – 2
Ensure power point is switched on and
using a multimeter on the AC voltage
scale, measure between the 3 pin sockets
on the power point.
Normal reading should be:
Active to Neutral – 240 Volts AC.
Active to Earth – 240 Volts AC.
Neutral to Earth – 0 Volts.
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 inlet gas pressure
YES
within specification?
NO
Test 1
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
Screaming or whining noises are
associated with low water flow.
YES
YES
YES
NO
YES
Disconnect the grey wire from relay 2 and
using a multimeter on the ohms scale,
measure between the orange wire relay
terminal and the disconnected grey wire
relay terminal on relay 2.
Normal reading should be 0 ohms
(N/C contacts 5 and 1 closed).
34
5
Expansion and contraction
noise associated with heating.
Normal operation.
Flow Chart 4.1 is
4.1
part of flow chart 1.8
Advise customer.
Look for loose component or
screws.
Test 2