Domotec Therm-Control DHB 370 C Bedienungsanleitung Seite 54

Error Warning
No. message
E:3.2
WATER
HEATER
TEMP
HIGH
E:4.1
WATER
HEATER
TEMP
LOW
E:4.2
PIPE
TEMP
LOW
E:5 HEATING
CABLE
DISCON.
E:6.x
INTERNAL
ERROR
E:7
PLAUSI-
BILITY
CHECK
Time and
E:8
ANNUAL
TIME
VERIFI-
CATION
Water
temp.
too
low
Water
temp.
too
high
Cannot
access
program
mode and
parameter
settings
54 | Domotec.ch
Problem causes
Water heater temperature
too high Will pop up if
Temperature sensor is higher
than the maximum exposure
temperature of the heating
cable: DHB 200 (65°C)
Water heater temperature is
lower than maintain temp. set
point of the Therm-Control
Water heater temperature is
lower than maintain temp.
set point of the Therm-Control
Low or no current alarm.
No current measured when the
circuit should be on.
No power supplied during
prolonged period (~30 days).
Clock reset to default
"01.01.2001 00:00" displays
water heating cable
temperature is too low Installed
heating cable is different
from the programme selected
Insulation thickness deviates
from the required insulation
thickness.the ambient
temperature value entered is
too high
Heating cable temp. is too high.
Insulation thickness deviates
from the required value.
The ambient temperature value
entered is too low
Controller is password
protected
Corrective actions
Check Sensor and Boiler
temperature
Check water heater temp.
(also indicated in INFO of
Therm-Control menu)
Check maintain temp.
setting at Therm-Control.
Check temp. sensor
mounting
Check water heater temp.
(see INFO of Therm-Control
menu).
Check maintain temp.
setting at Therm-Control.
Check temp. sensor
mounting
Confirm that heating cable
is connected to the
controller.
Disconnect Therm-Control
controller and replace unit.
Check parameter settings
Set date and time.
Check water heater temp.
and timer programme.
Change heating cable type
in Therm-Control (can only
be done in Quick start),
see 3.1.3.
Adjust power correction
factor, see 3.3.1.4.
Change value of ambient
temperature, see 3.1.5.
Change heating cable type
in Therm-Control, (can only
be done in Quick start),
see 3.1.3.
Adjust power correction
factor, see 3.1.4.
Change value of ambient
temperature, see 3.1.5.
Enter your 4-digit
password. If you forgot it,
enter the backup password
(3000) to unlock the
controller, see key lock.