Grundfos MQ Serie Notice D'installation Et D'entretien page 7

The functions of the control panel are described in the following table:
Illustration
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Note: The pump settings are stored. After supply failure, the pump will automatically revert to its previous oper-
ating condition when the electricity supply is connected again.
Description
Indicator light (red):
When the indicator light is on, the pump is on standby.
On/off button:
The pump is started/stopped by means of the on/off button.
The on/off button can also be used for manual resetting in case
of an alarm condition:
• press once for resetting and
• press once more for starting.
Indicator light (green):
Indicates that the pump is ready for operation.
When the indicator light is on, the pump will start automati-
cally when water is consumed. The pump will stop a few sec-
onds after the water consumption has ceased.
Pump on (green):
The indicator light is on when the pump is running.
Auto-reset (green):
As standard, this function is activated on delivery (does not
apply to pump versions for Australia).
When the indicator light is
• on, the Auto-reset function is activated. The pump will auto-
matically attempt to restart every 30 minutes after an alarm/
fault over a period of 24 hours. After this period, the pump
will remain in the alarm condition.
• off, the Auto-reset function is deactivated. The pump will not
restart after an alarm/fault.
The Auto-reset function can be activated/deactivated by press-
ing the on/off button for 5 seconds.
Note: When water is consumed, the pump will start and stop
automatically, whether the Auto-reset light is on or off.
Alarm (red):
The indicator light is on when the pump is in alarm condition.
The alarm condition may have been caused by:
• dry running,
• overtemperature,
• overloaded motor or
• seized-up motor/pump.
See section 4.2 Pump stop.
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