nVent RAYCHEM HWAT-ECO-GF Manuel D'installation, D'utilisation Et D'entretien page 27

Error Warning
No. message
E:2.4 PIPE SENSOR
SHORT
E:3.1 PIPE TEMP HIGH Water pipe
E:3.2 BOILER TEMP
HIGH
E:4.1 BOILER TEMP
LOW
E:4.2 PIPE TEMP LOW
E:5 HEATING CABLE
DISCONNECT
E:6.1 INTERNAL
ERROR
E:6.2 INTERNAL
ERROR
Possible causes
Sensor short
temperature
too high
If Temperature sensor
reading is higher than
the maximum exposure
temperature of the
HWAT cable: HWAT-R2 or
HWAT-P1
[185°F (85°C)] Water
heater sensor failure
Sensor has not been
installed Sensor or
sensor cable defect
(only when water heater
sensor "On" is selected)
Water heater
temperature too high if
Temperature sensor
reading is higher than
the maximum exposure
temperature of the HWAT
cable:
HWAT-R2 or HWAT-P1
[185°F (85°C)]
Water heater
temperature is lower
than maintain
temperature set point
of the HWAT-ECO-GF
Water heater
temperature is lower than
maintain
temperature set point of
the HWAT-ECO-GF
Low or no current alarm
No current measured
when the circuit should
be on
Internal error
Internal error
Corrective actions
See E:2.1
Check Sensor and Boiler
temperature.
Check Sensor and Boiler
temperature.
Check water heater
temperature (also indicated
in STATUS of HWAT-ECO-GF
menu).
Check maintain
temperature setting at
HWAT-ECO-GF.
Check temperature sensor
mounting.
See E:4.1
Confirm that heating
cable is connected to the
controller.
Disconnect HWAT-ECO
controller and replace unit.
When reporting this error,
provide the exact error
number, cable type, cable
length and the setpoint
temperature.
Disconnect HWAT-ECO
controller and replace unit.
When reporting this error,
provide the exact error
number, cable type, cable
length and the setpoint
temperature.
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