Troubleshooting; Fault Table; Maintenance; Check The Safety Assembly - STIEBEL ELTRON SH 50 A Operation And Installation

INSTALLATION

TROUBLESHOOTING

14. Troubleshooting

14.1 Fault table

The high limit safety cut-out can respond at
temperatures below –15 °C. *
* The appliance may be subjected to these temperatures
during storage or transport.
Fault Cause
The water does not heat The high limit safety
up. cut-out has responded
because the controller
is faulty.
The high limit safety
cut-out has responded
because the temperature
has dropped below -15 °C.
The flanged immersion
heater is faulty.
The safety valve drips The valve seat is
when the heating is contaminated.
switched off.
2
1 Reset button
2 High limit safety cut-out
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15. Maintenance

For some maintenance works you must remove the bottom cap.
If you additionally need to drain the appliance, look at the chapter

"Draining the appliance".

» Remedy

15.1 Check the safety assembly

Remedy the cause
Regularly check the safety assembly.
of the fault. Replace »
the controller-limiter

15.2 Controller-limiter combination immersion depths

combination.
Press the reset button.
Replace the flanged
immersion heater.
1 Limiter sensor
Clean the valve seat.
2 Controller sensor
15.3 Draining the appliance
If the cylinder needs to be drained for maintenance or to protect
the whole installation when there is a risk of frost, proceed as
follows:
Close the shut-off valve in the cold water line.
»
Open the hot water taps on all draw-off points.
»
1 1 1 1 1 1 1
1 Cap of drain connector
Undo the cap of the drain connector.
»
Danger of electrocution!
Before any work on the appliance, disconnect all poles
from the power supply.
1
2
Risk of scalding!
Hot water can be expelled during draining
1
SH A | 23