SVC 820-Tankless Gas Trouble Shooting Manual Page |
39
39
GAS CONTROL VALVE Diagnostic Chart
NO
YES
YES
NO
While unit is attempting to ignite, check
DC voltage across red wire #1 and black
wire #2 on connector “R”:
1.5 – 14 DC VOLTS
Is the DC voltage
OK?
Attempt to operate unit again.
IF the unit malfunctions due to an Error
Code 11:
Replace Control Board
Is the resistance
OK?
Turn unit OFF; remove Molex connector “R”.
Measure resistance across red wire #1 and black wire
#2 on Molex connector “R”:
40 – 80 Ohms
PGFR is ‘OK’
Continue to next page
Remove and reconnect terminals on PGFR.
Attempt to operate unit again.
IF unit malfunctions due to Error Code 11:
Replace Gas Control Valve
Содержание PH2-20R OFN
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...