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ESIE-0302 Malfunction Indications and Safeties Overview

Part 3 – Troubleshooting 3–13

What to do in the

event of an alarm

■ In the event of automatic reset, the system restarts automatically.

■ In the event of manual reset, proceed as follows:

Resetting warning

code n1

To reset warning code n1, proceed as follows:

■ After resetting the timer, carry out the required maintenance activities.

■ It is also possible to reset the timer cv, which defines the total running hours of the pump, in the

same way.

Step Action Result

Press

The buzzer stops.

2 Find the cause of the alarm and correct it. The system has been repaired.

3 Reset the alarm manually by pressing the

u and d key simultaneously for ± 5 s.

The controller continues its normal opera-

tion, displaying the inlet water temperature.

Step Action

Enter the list of direct parameters by pressing the

s key for ± 5 s.

The parameter code r1 appears on the display.

Select parameter c9 using the

u and d key.

Press the

s key to choose the parameter and to switch to the parameter value.

Press the

u and d key simultaneously for approximately 5 s.

The timer’s value resets to 0.

Press the

s key to return to parameter code c9.

Press the

p key to return to normal operation.