Fault Rectification - User; Fault Rectification - Qualified Installer - STIEBEL ELTRON SHZ 30 LCD Montageanleitung

6. Fault rectification
Fault
No hot water.
No flow rate.
Service symbol appears.
Defect symbol flashing.
Table 2
7. Fault rectification
Fault / defect code / Info
No display in the control
Service symbol.
Code Continuous display -
setpoint temperature.
Code Continuous display -
outlet temperature.
Code No anode protection.
Code Last preset setpoint values
active. Possibly continuous
display of
Defect symbol
>> flashing.
Code Continuous display -
setpoint temperature.
Code No display of heating
element symbol.
Code Running dry
Code
Table 3
18
by the user
Info
No voltage.
Dirt or limescale in the perlators in the
fittings or shower
Water heating continues
(see Table
No water heating
(see Table
by the qualified installer
Possible cause / defect
panel. No voltage.
No connection to the control
Control unit
Water heating continues.Maintenance
requirement.
Temperature sensor
Temperature sensor
Parasitic current anode
Communication fault with electronic
„regulator" and „control unit"
.
No water
Temperature sensor
Safety thermal cut-out (STB)
Heating element
protection. No water in the
No anode
Relay defective.
heads.
3).
3).
unit.
defective.
fault.
fault.
fault.
modules.
heating.
defective.
actuated.
defective.
reservoir.
current.
Rectification
heck fuses in the house installation.
Clean and/or descale the outlet
Service/maintenance is required.
Corrective maintenance urgently required;
inform qualified installer.
Rectification
Restore voltage supply.
Check that connector „X2" is correctly
H
fitted .
Check control unit (20) and if necessary
replace.
Service code enquiry.
Service / maintenance required.
Check that connector „X10" is correctly
L
fitted . Inspect temperature sensor.
Check that connector „X10" is correctly
L
fitted . Inspect temperature sensor.
Check that connector „X7" is correctly
L
fitted . Check parasitic current anode and
wiring.
Check that connector „X2" is correctly
H
fitted on both modules .
Check connection cable and modules.
Defect code enquiry.
Corrective maintenance urgently required!
Check that connector „X10" is correctly
L
fitted . Inspect temperature
Ursache beheben und entriegeln; STB kon-
trollieren ggf. austauschen.
Rectify cause and unlock; inspect STB and if
necessary replace.
Fill the reservoir with water.
Check that connector „X7" is correctly
L
fitted . Inspect parasitic current anode
and wiring.
Replace regulator electronic module
fittings.
sensor.
( 22 ).