40 |
Page SVC 820 Tankless Gas Trouble Shooting Manual
40
GAS CONTROL VALVE Diagnostic Chart
NO
Is the
resistance
OK?
YES
Measure resistance across black wire #6
and yellow wire #1 on Molex connector
“K”:
0.8k – 2.4k Ohms
Replace Gas Control Valve
Measure resistance across black wire #6
and red wire #5 on connector “K”:
0.8k – 2.4k Ohms
Measure resistance across black wire #6
and blue wire #4 on connector “K”:
0.8k – 2.4k Ohms
Measure resistance across black wire #6
and white wire #2 on connector “K”:
0.8k – 2.4k Ohms
Measure resistance across black wire #6
and grey wire #3 on connector “K”:
0.8k – 2.4k Ohms
Is the
resistance
OK?
YES
YES
Is the
resistance
OK?
YES
Is the
resistance
OK?
YES
Is the
resistance
OK?
NO
NO
NO
NO
Gas Control Valve is ‘OK’
Continue to next page
Turn unit OFF and remove Molex connector
“K” to measure resistance
Replace Gas Control Valve
Replace Gas Control Valve
Replace Gas Control Valve
Replace Gas Control Valve
Содержание PH2-20R DVSN
Страница 158: ... 158 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS ...
Страница 159: ... 159 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS ...
Страница 160: ... 160 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS ...
Страница 162: ... 162 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF ...
Страница 163: ... 163 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF ...
Страница 164: ... 164 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF ...
Страница 166: ...Schematic Disassembly PHH 32RDV PHH 25RDV 166 ...
Страница 167: ...Schematic Disassembly PHH 32RDV PHH 25RDV 167 ...
Страница 169: ... 169 Schematic Disassembly PHH 32ROF PHH 25ROF ...
Страница 170: ... 170 matic Disassembly PHH 32ROF PHH 25ROF ...