SVC 810 Tankless Troubleshooting Manual
58
Error Code 52
Explanation: Proportional Gas Flow Regulator (P.G.F.R.) Valve fault. Check gas inlet solenoid
valve wiring harnesses for loose or damage terminals; and connections to the circuit board are
tight.
Yes
No
Flame Rod Status (Flame Rod #3 for 74 Series Only)
0y
display
00 01 02 03 04 05 06 07
Flame
Rod 1
X O X O X O X O
Flame
Rod 2
X X O O X X O O
Flame
Rod 3
X X X X O O O O
X=Not detecting flame
O=is detecting flame
The water heater seems to be normal. Try to operate again
Does the 0y
display indicate
any remaining
flame?
Pull out the relay connection of flame rod connectors (M), (L),
(T) and then display maintenance information [0y].
Does the 0y
display indicate
any remaining
flame?
No
Clean or replace Main Burner and Flame Rod Electrodes
Replace Printed Circuit Board
Yes
Replace P.G.R.F Valve
Is there power
to the P.G.R.F.
valve?
Yes
No
Replace the Printed Circuit Board
With the unit attempting to go to main burner, measure the voltage
at connector R between the Red#1 and Black #2 wires for:
1.5 to 14 VDC
Содержание SVC 810
Страница 21: ...SVC 810 Tankless Troubleshooting Manual 20 Fan Speed Chart ...
Страница 22: ...SVC 810 Tankless Troubleshooting Manual 21 RTG2 42 Wiring Diagram ...
Страница 23: ...SVC 810 Tankless Troubleshooting Manual 22 Printed Circuit Board ...
Страница 24: ...SVC 810 Tankless Troubleshooting Manual 23 RTG 53 Wiring Diagram RTG 53 ...
Страница 25: ...SVC 810 Tankless Troubleshooting Manual 24 Printed Circuit Board RTG 53 ...
Страница 26: ...SVC 810 Tankless Troubleshooting Manual 25 RTG 66 Wiring Diagram ...
Страница 36: ...SVC 810 Tankless Troubleshooting Manual 35 Printed Circuit Board RTG 74 ...