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47
TROUBLESHOOTING
Table 10.2: Blocking Errors
Error
Number
Error Display
Corrective_ Action
100
WD_ERROR_RAM
Internal software error. If error persists, replace control.
101
WD_ERROR_ROM
Internal software error, If error persists, replace control.
102
WD_ERROR_STACK
Internal software error. If error persists, replace control.
103
WD_ERROR_REGISTER
Internal software error. If error persists, replace control.
104
WE_ERROR_XRL
Internal software error. If error persists, replace control.
105
HIGH_TEMP_ERROR
T_Supply and T_Supply_2 over Stayburn temperature of 190°F
106
REFHI_TOO_HIGH
Internal hardware error. If error persists, replace control.
107
REFHI_TOO_LOW
Internal hardware error. If error persists, replace control.
108
REFLO_TOO_HIGH
Internal hardware error. If error persists, replace control.
109
REFLO_TOO_LOW
Internal hardware error. If error persists, replace control.
110
REFHI2_TOO_HIGH
Internal hardware error. If error persists, replace control.
111
REFHI2_TOO_LOW
Internal hardware error. If error persists, replace control.
112
REFLO2_TOO_HIGH
Internal hardware error. If error persists, replace control.
113
REFLO2_TOO_LOW
Internal hardware error. If error persists, replace control.
114
FALSE_FLAME
Flame detected in a state in which no flame should be present.
– Check flame sensor for a short to ground. Replace sensor, sensor gasket or harness
if short is found.
– Check solenoid on gas valve for operation. Gas valve might not be closing
properly. Replace gas valve.
115
LOW_WATER_PRESSURE_ERROR
Low water pressure sensor error
– Replace sensor if error does not correct itself
116
LOW_WATER_PRESSURE_SENSOR
Low water pressure in system
– Check system pressure
– Check filling valve setting and expansion tank pressure
– Check system for leaks.
118
WD_COMM_ERROR
Watchdog communication error. If error persists, replace control.
119
RETURN_OPEN
Return Sensor open
– Check sensor wiring for solid connection and continuity. Replace harness if wiring
is bad.
– Check for resistance though the sensor by touching meter leads across both pins
on the sensor. If no circuit is present replace sensor.
120
SUPPLY_OPEN
Supply Sensor 1 open
– Check sensor wiring for solid connection and continuity. Replace harness if wiring
is bad.
– Check for resistance though the sensor by touching meter leads across the left two
pins on the sensor using when the retaining clip is towards you. If no circuit is
present replace sensor.
121
SUPPLY2_OPEN
Supply Sensor 2 open
– Check sensor wiring for solid connection and continuity. Replace harness if wiring
is bad.
– Check for resistance though the sensor by touching meter leads across the right
two pins on the sensor using when the retaining clip is towards you. If no circuit is
present replace sensor.
122
DWH_OPEN
DHW Sensor open
– Check sensor wiring for solid connection and continuity. Replace harness if wiring
is bad.
– Check for resistance though the sensor by touching meter leads across both pins
on the sensor. If no circuit is present replace sensor.
123
FLUE_OPEN
Flue Sensor open
– Check sensor wiring for solid connection and continuity. Replace harness if wiring
is bad.
– Check for resistance though the sensor by touching meter leads across both pins
on the sensor. If no circuit is present replace sensor.
Содержание PBC-34
Страница 1: ...PBC Gas Boilers PBC 34 PBC 40 PBC 52 Combination Installation Operation Maintenance Manual Series...
Страница 22: ...20 WATER PIPING AND CONTROLS Figure 4 6 Recommended Central Heat Piping...
Страница 23: ...21 Figure 4 7 Recommended Domestic Hot Water Piping WATER PIPING AND CONTROLS...
Страница 31: ...29 Figure 7 2 Wiring Schematic and Connection ELECTRICAL CONNECTIONS...
Страница 45: ...E LIGHTING OPERATING PROCEDURES 43 START UP PROCEDURE...
Страница 57: ...THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 60: ...58 REPAIR PARTS Figure 13 2 PBC 34 Combustion Components...
Страница 62: ...60 REPAIR PARTS Figure 13 3 PBC 40 and PBC 52 Combustion Components...