Error/Alarms And Troubleshooting - Raychem HWAT-ECO Bedienungsanleitung

4. ERROR/ALARMS AND TROUBLESHOOTING

Please ensure that the unit is correct connected to the power supply and
the heating cable is connected to the HWAT-Eco unit.
Alarms:
Symptom
"ERROR 1" displays
(buzzer beeping
simultaneously; and
error LED " " on)
!
esc
"ERROR 2" displays
(buzzer beeping
simultaneously; and
error LED " " on)
!
esc
"ERROR 3" displays
Check network
(buzzer beeping
simultaneously; and
error LED " " on)
!
esc
"ERROR 4" displays
(buzzer beeping
simultaneously; and
error LED " " on)
!
esc
"ERROR 5" displays
(buzzer beeping
simultaneously; and
error LED " " on)
!
esc
"ERROR 6"
displays
(buzzer beeping
simultaneously;
and error LED
" " on)
!
esc
Probable Causes
1. Internal temperature of
HWAT-ECO higher than 65°C
Water heater sensor failure
1. Sensor has not been installed
2. Sensor or sensor cable
defect (only when water heat-
er sensor "On" is selected)
Network Failure
1. 2 or more controllers are
active as 'Master'
Internal Error
Low or no current alarm
1. No current measured when
the circuit should be on.
Configuration alarm
Will only pop up the first
cycle after settings have been
changed/set. If:
A The current is lower than
0.1A and the low current
alarm is active
B The current is higher than 3A
and the low current alarm is
deactivated.
Corrective Actions
Switch off or disconnect
power supply and replace
unit.
1. Connect sensor to HWAT-
ECO or set program water
heater sensor OFF.
2. Check sensor connec-
tions. Replace sensor.
(1, 2, 3) Reinitialize the
'Master'. See 3.3.1.7.
Disconnect HWAT-ECO
controller and replace unit.
1.Confirm that heating
cable is connected to the
controller.
2.If controller is being used
to activate a contactor,
make sure heating cable
length in the menu is set
to 1 m.
1. Confirm that heating
cable is connected to the
controller.
2. If controller is being used
to activate a contactor, or
no load at all, make sure
to put the actual heating
cable length in the menu.
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