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Page SVC 820 Tankless Gas Trouble Shooting Manual
14
76
Communication Fault
With Remote Control
1.
Check Remote Control wiring for loose or damaged connections
2.
Bypass Remote Control: connect Remote Control directly to remote
connection at bottom of the heater. Replace cable if found to be faulty
3.
Remove water heater power cord from 3 prong outlet.
Disconnect the
Remote Control. Plug heater back into supply and test heater without Remote
Control connected
79
Blower Motor
Current Fault
1.
Ensure Blower Motor will turn freely. Motor will operate with a small amount
of restriction
2.
Check Fan Motor for proper voltage and for water (condensation) damage
80
&
81
Gas Control Valve
1.
Ohm Gas Control Valve
2.
Check voltage of all Flame Rods
82
Installation:
Control Board Is Not
Programmed.
Verify Program Chip is installed
90
Maintenance/Installation:
Blocked Flue/Air Intake
Clean any blockage in Heat Exchanger, Blower Motor, inlet flue and exhaust flue
92
Condensing Only:
Maintenance Warning:
Neutralizer Needs To Be
Replaced (Unit Will Still
Be Operable)
Replace Neutralizer
93
Condensing Only:
Maintenance:
Neutralizer Must Be
Replaced (Unit Will NOT
Operate)
Replace Neutralizer
99
Maintenance/Installation:
Blower Motor Cannot
Vent
1.
Clear vent blockages
2.
Check for blocked Heat Exchanger
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 ...