Fault Finding Chart 1.8 - Raypak 131 Service Instructions Manual

Fault Finding Chart 1.3
1.3
Does controller display
change to show water
temp and last mode of
operation?
YES
Is pump operating?
YES
Does controller display
„AUTO‟?
Controller set to manual mode
NO
Is set point temp 1º more
than water temperature?
YES
Does controller show
flame icon?
YES
(1)
Does hot surface igniter
glow?
Test 10A for black boards.
NO
Test 10B for grey boards.
Is the water pressure or
flow switch closed?
YES
Is 24 volts present at
control board terminal
marked „VALVE‟?
TM018 Raypak 131 Type A Pool & Spa Heaters REV: A
D.O.I: 8/04/2009
This document is stored and maintained electronically by
Press and release the
controller power button.
NO
Controller set to „AUTO‟ mode
YES
YES
(1) The hot surface igniter must be checked within 18 seconds from
controller displaying flame icon and the ignition module receiving power.
If pilot ignition is not successful after 18 seconds the ignition module will
lock out and must be reset. To reset the ignition module turn controller off
by pressing and releasing the „power‟ button, wait 5 seconds then turn
controller on again by pressing and releasing the „power‟ button.
Is there sufficient
NO water flow through
the heater?
YES
Adjust water pressure or
flow switch.
Refer to section on adjusting pressure
switch or adjusting flow switch
Test 11A for black boards.
Test 11B for grey boards.
Does the controller
display an error
code?
NO
NO
Is controller clock set to
correct time?
YES
Is controller clock
time within programmed
time period?
NO
NO
YES
Min flow rate 1.3 l/sec
Max flow rate 6.9 l/sec
Can the water pressure
or flow switch be
adjusted?
NO
YES
23
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
YES
Replace control board.
Pump must be operating for
burner to operate.
Controller clock must be set for
NO
auto mode to operate burner.
Controller clock time must be
NO within programmed time period for
auto mode to operate burner.
Set point temperature must be 1º
more than water temperature for
burner to operate.
Replace control board.
NO
Fault rectified. Water pressure or
YES
flow switch adjusted.
Replace water pressure or flow
NO
Replace control board.
1.4
1.7
5
switch.
1.5