SVC 820-Tankless Gas Trouble Shooting Manual Page |
73
73
52 – Error Code Diagnostic Chart
NO
YES
YES
NO
While unit is attempting to go to main
burner, 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 52:
Replace Control Board
Is the DC voltage
OK?
While unit is attempting to go to main burner, check
DC voltage across red and black wires at PGFR:
1.5 – 14 DC VOLTS
Attempt to operate unit again.
If the unit malfunctions due to an Error Code 52:
Replace Gas Control Valve
Replace wiring harness for Connector “R”
on Control Board
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...