Monitor GF1800 - Troubleshooting

MONITOR HEATING SYSTEM
Section 5: Troubleshooting IGF38001
GF3800 Resistance Values
COMPONENT
APPROX. OHMS
Ignition Transformer (connector E/E)
108,000
Power Transformer-Primary {AC 120V} (connector H/H)
77
Power Transformer-Secondary {AC11V) "Yellow" & "Yellow"connector R
1.8
Power Transformer-Secondary {AC120V} "White" & "White'connector R
489
Power Transformer-Secondary {AC22V} (connector S/S)
8.3
Damper Solenoid (connector I/I)
4,600
Resistor (connector G/G)
91
Circulation Fan (LEAD WIRE "White" & "Black")
115
Circulation Fan (LEAD WIRE "Black" & "Blue")
258.5
Combustion Blower (LEAD WIRE "White" & "Gray"
78
Combustion Blower (LEAD WIRE "Gray" & "Orange")
92
Thermistor (connector Q/Q at 77'F)
10,000
Fuse 2A (read with fuse out)
0.1
Gas Control Valve (connector P/P)
87
Gas Solenoid Valve (connector L/L)
2,400
Gas Solenoid Valve (connector M/M)
2,400
^WARNING:
DISCONNECT HEATER FROM POWER SOURCE
BEFORE MAKING ANY RESISTANCE TESTS.
42