SBM SX Series Installer's Instructions page 17

 Problems on a group of heaters.
Control module
Module displays : Module displays :
Check setpoint and
Check module heaters
programming of the
output voltage (230V)
module
during ignition cycle
Safety switch
activated or
If no voltage, replace
Override ON
with mode OFF :
Heating off
Check voltage at first
RP3-RP32 input
If no voltage, check :
- electrical cable
- connections
Check RP3-RP32
Replace BA blocks
A GROUP OF HEATERS
DO NOT LIGHT
No spark
Control module
ON
Check power supply
(Main breaker)
If module is supplied,
replace module
(45 seconds)
module
Check cleanness of :
- main gas filter
- solenoid valves
- regulators/governors
gas inlet filters
fuses
First, check compatibility of heaters with the
gas type and pressure.
Spark
Check main gas valve
OFF
open
Solenoid valve open
Check gas tank or
gas supply pressure
Check gas flow
throught the injector
blocks
("click" ?)
«click» No «click»
Replace BA blocks
Solenoid valve closed
Check module
solenoid valves output
voltage (230V)
If no voltage, replace
module
Check voltage at
solenoid valve
If solenoid valve is
supplied, replace it
17