SBM SX Series Installer's Instructions page 18

 Problems on a group of heaters (cont.).
A GROUP OF HEATERS
Check module set to
OFF :
MT = -
Check zero voltage at
solenoid valve module
Check solenoid valve :
- orientation
- cleanness
- operation
 SX heater spare parts.
WITH ALL SPARE PART ORDERS, PLEASE INDICATE:
- Type / serial number of the heater.
- Gas type.
- Operating pressure.
ALL THIS INFORMATION CAN BE FOUND ON THE RATING PLATE ON THE
HEATER.
DO NOT STOP
Check setpoint and
programming of the
module
MTH = 0%
output
First, check that the temperature setting is lower than
ambient temperature.
Burner
18