Garland MP-GD-10-S - Manual (Page 53)

Part # MPSM07 (03/24/08) Page 53
TESTING & TROUBLESHOOTING
Component Readings
Spritzer
Solenoid
Valve Coil
Resistance
22 Ω
Dual Stage Gas
Valve
Solenoid
Resistance
Pilot Valve = 28 .5 Ω
Main Valve = 28 Ω
Fan Motor And Blower Wheel
The blower wheel and fan motor are considered to be one
complete assembly . Therefore, if the motor is determined to
require replacement, the blower wheel must be replaces as
well .
Garland sets the wheel at the factory with a specifi c gap
setting.
GROUND
5
LED
THS 2
M.V. 3
SENSE 4
Direct Spark
Ignition Module
3 Trials
4 Seconds Per Trial
No Retry
Minimum Acceptable
µa Reading ≥ 0 .3
Heat & Control
Board Transformer
Primary = 21 .5 Ω
Secondary = 1 .5Ω