Raychem HWAT-ECO Bedienungsanleitung Seite 22

Symptom
"ERROR 7" displays
(buzzer beeping
simultaneously; and
error LED " " on)
!
esc
"ERROR 8" displays
(buzzer beeping
simultaneously; and
error LED " " on)
!
esc
Water heater alarm
light is on
"Mode Quickstart"
displays
No display
Water temperature
too low
Water temperature
too high
Can't access pro-
gramming mode
22
Probable Causes
Water heater temperature
too high Will pop up if
Tsensor is higher than the
maximum exposure tem-
perature of the HWAT cable:
HWAT-M (65°C). HWAT-R
(85°C)
No power supplied prolonged
period of time~30days.
Clock reset to default
"01.01.2001 00:00" displays
Water heater temperature
is lower than maintain
temperature set point of the
HWAT-ECO
Alarm sounds when user is
initializing or reinitializing the
system
Loss of power
1. Water heating cable tem-
perature is too low
2. Installed heating cable is
different from the program
selected
3. Insulation thickness devi-
ates from the required
insulation thickness
4. The ambient temperature
value entered is too high
1. Water heating cable tem-
perature is too high
2. Insulation thickness devi-
ates from the required
insulation thickness
3. The ambient temperature
value entered is too low
1. Controller is password-
protected
Corrective Actions
1. Check boiler temperature
2. Check temperature sensor
mounting location.
Set date and time; recharge-
able battery must be powered
for 48 h. See 3.1.2.
Check water heater tempera-
ture (also indicated in INFO of
HWAT-ECO menu; See 3.3.4.2
Check maintain temperature
setting at HWAT-ECO. Check
temperature sensor mounting
Alarm will clear when user
completes the initialization or
re-initialization process
Restore power
(1) Check water heater tem-
perature and timer program.
(2) Change heating cable type
in HWAT-ECO (can only be
done in Quickstart). See 3.1.3.
(3) Adjust power correction
factor. See 3.3.1.4.
(4) Change value of ambient
temperature. See 3.1.5.
(1) Change heater type in
HWAT-ECO (can only be done
in Quickstart). See 3.1.3.
(2) Adjust power correction
factor. See 3.1.4. (3) Change
value of ambient temperature.
See 3.1.5.
Enter your 4-digit password.
If you forgot your password,
enter the backup password:
6922 to unlock the controller