STA-RITE SR200NA Service Manual page 84

SECTION SEVEN – Troubleshooting
Heater Will Not Fire - A
Start
Is green "SPA" or
"POOL" LED "on"
YES
Check that single-
voltage heater is
connected to
120V or that dual-
voltage heater
has correct 12-pin
plug installed:
Red = 240V
Black = 120V
NO
A. Black 120V plug
in 240V circuit or
single-voltage heater
connected to 240V:
Replace transformer,
control board, and
ignition control module
(see "HEATER WILL
NOT FIRE-C and -D",
Pages 7-5 and 7-6).
Check fuse and all
other 24V components
for damage.
B. Red 240V plug in
120V circuit: Replace
with correct plug.
C. Plug is not
installed:
Install correct plug.
Depress "POOL" or "SPA" ON
NO
button on Membrane Pad.
Does "POOL" or "SPA" LED
come on?
YES
Check for line voltage to
heater.
Check for 24 VAC at
YES
secondary of Transformer.
YES
Check for Line Voltage
between L1 and L2 terminals
on Terminal Board.
Check for Line Voltage at
Transformer primary pins.
White connects to Pin 3 on
Transformer, Black to Pin 2,
Orange to Pin 1.
240V: check Pin1 to Pin 3.
120V: check Pin 2 to Pin 3.
Jumper Fireman's Switch at
Terminal Board and depress
"POOL" or "SPA" ON button on
membrane pad. Does "SPA" or
NO
"POOL" LED come "on"?
Leaving jumper in place,
check for 24 VAC between
Fireman's Switch terminals
YES
and ground.
Remove jumper. Check ribbon
cable connection between
Membrane Pad and J6 on
Control Board. Depress
"POOL" or "SPA" On pad
again. Does "POOL" or "SPA"
NO
LED come on?
Jumper pins 9 and 8 on J6 of
Control Board. Does "SPA"
LED come on?
Jumper pins 9 and 7 on J6 of
Control Board. Does "POOL"
LED come on?
GO TO "HEATER WILL NOT FIRE - B" Page 7-4
YES
NO
NO
NO
NO
YES
NO
YES
YES
NO
YES
YES
NO
7-3
Heater should fire on demand
for heat.
Restore power to heater.
Check wiring connections
between power supply and
Junction Box and between
Junction Box and Terminal
Board; restore continuity.
Check wiring connections
between Terminal Board and
Transformer primary and
restore continuity.
Replace Transformer.
Check Fireman's Switch circuit
connections (time clock, wiring,
external controller relay).
Remove jumper. Check wiring
between Transformer and J7
terminals on Control Board
and between J7 and
Fireman's Switch on Terminal
Board, check fuse, and
restore continuity.
Heater should fire on
demand for heat.
Replace Membrane Pad.
Replace Control Board.