57
R1K 34 /B - RAD - ING - Manuale - 1512.2_CSA_TTS
2. MAINTENANCE
SUPPOR
T CENTER
CODE
FAULT
POSSIBLE CAUSE
SOLUTION
RESET
E02
WATER TEMP. HIGHT
LIMIT SWITCH 203°F
(95°C)
THERMOSTAT CABLE
DISCONNECTED;
CHECK THE WIRING:
MANUAL RESET
(PRESS THE RESET
‘
’ KEY).
BROKEN HIGH LIMIT.
REPLACE IT.
E03
EXHAUST SAFETY HIGH
LIMIT SWITCH 216°F
(102°C)
HIGH LIMIT BROKEN;
REPLACE IT;
MANUAL RESET
(PRESS THE RESET
‘
’ KEY).
HIGH LIMIT CABLE
DISCONNECTED.
CHECK THE WIRING.
E04
WATER MISSING IN THE
SYSTEM
INSUFFICIENT WATER
PRESSURE INSIDE THE SYSTEM
[LOWER THAN 4.3 psi (0.3 bar)]
LOAD THE SYSTEM;
AUTOMATIC.
WATER PRESSURE SWITCH
CABLE DISCONNECTED;
CHECK THE WIRING;
WATER PRESSURE SWITCH
BROKEN.
REPLACE IT.
E05
DOMESTIC INLET
TEMPERATURE
BROKEN OR INCORRECTLY
CALIBRATED PROBE
(RESISTANCE VALUE 10
KOHM AT 77°F (25 °C) NTC);
REPLACE IT;
AUTOMATIC.
DISCONNECTED OR WET
PROBE CONNECTOR.
CHECK THE WIRING.
E06
DOMESTIC INLET
TEMPERATURE PROBE
BROKEN OR INCORRECTLY
CALIBRATED PROBE
(RESISTANCE VALUE 10
KOHM AT 77°F (25 °C) NTC);
REPLACE IT;
AUTOMATIC.
DISCONNECTED OR WET
PROBE CONNECTOR.
CHECK THE WIRING.
E15
RETURN PROBE
BROKEN OR INCORRECTLY
CALIBRATED PROBE
(RESISTANCE VALUE 10
KOHM AT 77°F (25 °C) NTC);
REPLACE IT;
AUTOMATIC.
DISCONNECTED OR WET
PROBE CONNECTOR.
CHECK THE WIRING.
Summary of Contents for R1K 34
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