
26
Problems on a group of heaters.
A GROUP OF HEATERS DO
NOT SHUT OFF
Check control
module position
set OFF :
Check zero voltage
At module output
Check solenoid valve
operation, orientation
and cleanness
Where faulty, replace
the corres ponding part
First, check compatibility
of heaters with the gas
type and pressure.
A GROUP OF HEATERS
DO NOT LIGHT
Check module
solenoid valves output
voltage (230V)
Spark
Check main gas valve
open
No spark
Control module
ON
Solenoid valve open
Check gas tank or
gas supply pressure
If no voltage, replace
module
Control module
OFF
Check power supply
(Main breaker)
If module is supplied,
replace module
Check voltage at first
RP3-RP32 input
If no voltage, check :
- electrical cable
- connections
Check RP3-RP32
fuses
Replace BA blocks
Solenoid valve closed
Check voltage at
solenoid valve
If solenoid valve is
supplied, replace it
Check cleanness of :
- main gas filter
- solenoid valves
- regulators/governors
gas inlet filters
Check gas flow
throught the injector
blocks
("click" ?)
«click»
No «click»
Check setpoint and
programming of the
module
Safety switch
activated or
Override ON
with mode OFF :
Heating off
Module displays :
Module displays :
Check module heaters
output voltage (230V)
during ignition cycle
(45 seconds)
Replace BA blocks
If no voltage, replace
module