S2200D Operation and Service Manual
P/N 974-9246 Rev 5.00 Jan 18,2022
15
Trouble Shooting
T
he troubleshooting section has been divided into five tables. Choose the
appropriate table from the list below:
Chart A – Fan does not start. Flame does not start,
Chart B – Fan starts. Flame does not start
Chart C – Fan starts. Flame starts but goes out after a few seconds,
Chart D – Fan starts. Flame starts, but fails during operation
Chart E – Other problems
A-Fan does not start. Flame does not start
Green
Light
Red
Light
Error
Code
Symptoms
Possible Problem
OFF
OFF
No Dis-
play
NO PCB LED lights (3 solid 1
flashing). No power on second-
ary side of step down transform-
er (check for 120VAC on “0”
to “115V” terminals of the step
down transformer)
No electrical supply
Main power switch off
Transformer failure
Control box circuit breaker is
OFF
Overload in control circuit
High voltage - wrong power
source
Wrong voltage setting on the
transformer
OFF
OFF
Display
on. No
Error
code
Heater will not start. No green
light. Secondary side of step
down transformer has 120VAC.
PCB LED lights on.
Keypad failure
OFF
OFF
Display
on. No
error
code.
Display does not show “Sta-
tus” screen. PCB LED lights
on.
PCB failure
Software corrupted
OFF
OFF
Display
on. No
error
code
Fan turns on right away and
doesn’t stop after power is
switched on without pressing
START
.
PCB hardware failure.
