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Page SVC 820 Tankless Gas Trouble Shooting Manual
64
33 – Error Code
Explanation:
Outlet Thermistor malfunction
Diagnostic Checks:
•
Outlet Thermistor
OUTLET THERMISTOR DIAGNOSTICS:
Turn power OFF. Remove 3 screws for Control Board
mounting bracket. Remove connectors “M”, “T” &
“G”. Pull Control Board out of way to access BLACK
Molex for Outlet Thermistor located near the Blower
Motor.
Turn power OFF. Remove connector “R” on Control
Board. Measure resistance between Black #3 & Red
#4 wires: 7K – 23K Ohms. IF OK, attempt to operate
unit again. IF 33 Error Code does NOT display, unit
had a loose connection.
1
2
3
Separate top and bottom of BLACK
Molex for Outlet Thermistor. Top of
Molex has 2 black wires and 1 red
wire. Bottom of Molex has 2 black
wires. Continue to Diagnostic Chart
on next page.
Screws
Bottom of Unit
Control Board
Blower Motor
Molex Connectors
Outlet Thermistor
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...