SHZ 30 LCD, SHZ 50 LCD, SHZ 80 LCD, SHZ 100 LCD ... - Баутерм

7. Fault rectification by the qualified installer
22
Code enquiry
LCD display Button Note
Fault / defect code / Info Possible cause / defect Rectification
No display in the control panel.
� Menu selection.
� Code enquiry for service.
No voltage.
No connection to the control unit.
Control unit defective.
Restore voltage supply.
Check that connector „X2“ is correctly
fitted H .
Check control unit (21) and if necessary
replace.
Ca-scale symbol shows Heating element scaled. Heating continues. Descale element. Symbol will disappear.
Service symbol.
Code Continuous display -
setpoint temperature.
Code
Code No anode protection.
Code Last preset setpoint values
active. Possibly continuous
display of .
Defect symbol >> flashing.
Code Continuous display -
setpoint temperature.
Code No heating-up symbol.
Code Running dry protection.
Water heating continues.
Maintenance requirement.
Temperature sensor fault.
Parasitic current anode fault.
Communication fault with electronic
„regulator“ and „control unit“ modules.
No water heating. Defect code enquiry.
Corrective maintenance urgently
required!
Temperature sensor defective.
Safety thermal cut-out (STB) actuated.
Service code enquiry.
Service / maintenance required.
Check that connector „X10“ is correctly
fitted L . Inspect temperature sensor.
Check that connector „X7“ is correctly
fitted L . Check parasitic current anode and
wiring.
Check that connector „X2“ is correctly
fitted on both modules H .
Check connection cable and modules.
Check that connector „X10“ is correctly
fitted L . Inspect temperature sensor.
Eliminate error and reset thermal cut out.
Heating element defective. Rectify cause and unlock; inspect STB and if
necessary replace.
No water in the reservoir.
Fill the reservoir with water.
No anode current. Check that connector „X7“ is correctly
fitted L . Inspect parasitic current anode
and wiring.
Code Relay defective. Replace regulator electronic module (23).