State Industries SANDBLASTER SBD85 500 - Manual (Page 33)

SBD TANK TYPE HEATERS
SERVICE HANDBOOK
Technical Training Department
Ashland City, TN ©2003
32
STEP 12 IID MODULE TEST
STEP 12. IID MODULE TEST (Power to the Pilot Valve). Using a multimeter, test for
24 VAC between terminal PV and 24V (GND) on the IID during the 90 second trial for
ignition.
N E H T F I
The meter does not read 24 VAC and the
IID module is not between ignition trials:
• Replace the module.
The meter does read 24 VAC: • Go to step 13