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11.1.10 Service Due; 11.1.11 Input Error; 11.1.12 Memory Full; 11.1.13 Downloaded Cancelled - HURNER HCU 300 Manual De Instrucciones

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11.1.10 Service Due

The recommended next service date for the welding unit is
overdue. The service due message has to be acknowledged
by pressing the START/SET key. Send the welding unit to the
manufacturer or an approved service point for service and
check-up.

11.1.11 Input Error

A code that was entered is incorrect. At manual welding pa-
rameter input, no welding time was entered. An incorrect
value was selected in the date setting.

11.1.12 Memory Full

The system memory is full of welding reports. Print or down-
load the reports in memory or switch memory control off.
Without memory control, a new report overwrites the old-
est existing one.

11.1.13 Downloaded Cancelled

During data transfer or printing, an error condition occurred
which could not be cleared.
11.2

Errors During Welding

All errors that occur while welding is in progress are also in-
dicated by an audible alarm.
11.2.1

Low Voltage

The input voltage is below 175 volts. If the error condition
persists for longer than 15 seconds, the welding process will
be aborted. If the voltage goes down below 170 volts, the
welding process will abort immediately.
11.2.2

Overvoltage

The input voltage is over 290 volts. If the error condition
persists for longer than 15 seconds, the welding process will
be aborted.
11.2.3

Resistance Error

The resistance value of the connected fitting is out of the
read tolerance.
11.2.4

Frequency Error

The frequency of the input voltage is out of tolerance
(42 Hz - 69 Hz).
11.2.5

Voltage Error

Check generator voltage and current. The output voltage
22
EN
HÜRNER HCU 300 User's Manual
H Ü R N E R S c h w e i s s t e c h n i k G m b H
Nieder-Ohmener Str. 26
35325 Mücke, Germany
Version September 2022

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