User Instructions for GECO GH21TA controller
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Page 38 Edition I
19.06.2013
For safety reasons, the boiler does not automatically return to operation after the STB has
been tripped.
To turn the controller on again, double click the button
- The first click of button
will cancel the alarm and turn off the controller
- the second click of button
will reactivate the controller
- pressing button
- puts the controller into automatic mode
Puncture or damage to the capillary of the temperature limiter
indicates a leakage, which can lead to the GH21TA malfunctioning.
In this event, disconnect the temperature limiter from the GH21TA
controller, and replace it with a new device.
13.
Loss of power
After loss of power, the controller will return to the state it was in before the power was cut:
•
If if was turned off, it will remain off
•
If it was in preview mode, it returns to this state
•
If it was in automatic mode, it will return to automatic mode according to preset
parameters
•
If it was in manual mode, it will return to manual mode, according to preset
parameters
•
If it was in alarm mode, it will remain off
