Input Error; Errors During Welding; Low Voltage; Overvoltage - Hürner HST 300 Manual USB 2.0 Manuel Utilisateur

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

9.1.7 Input Error

At manual welding parameter input, no welding time was entered.
An incorrect value was selected in the date setting.
9.2

Errors During Welding

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

9.2.1 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.

9.2.2 Overvoltage

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

9.2.3 Frequency Error

T h e f r e q u e n c y o f t h e i n p u t v o l t a g e i s o u t o f t o l e r a n c e
(42 Hz - 69 Hz).

9.2.4 Voltage Error

Check generator voltage and current. The output voltage does not
correspond to the value previously read; the welding unit has to be
sent to the manufacturer for check-up.

9.2.5 Low Current

The message is displayed if the there is a momentary current failure or
if the current decreases by more than 15% per second for 3 seconds.

9.2.6 Excess Current

The output current value is in excess; possible causes: short-circuit in
the heater coil or the welding cable. During the start stage the upper
abort threshold equals 1.18 times the value at start, in any other case
the upper limit depends on the load value and is calculated as the
current at start plus 15%.

9.2.7 Emergency Off

The welding process has been interrupted by pressing the STOP/RESET
key.

9.2.8 Power Supply Failure at Last Welding

The last welding is incomplete. The welding unit was disconnected from
the power supply voltage while it was in progress. To go on using the
unit, this error has to be acknowledged by pressing the STOP/RESET
key (see also Sect. 6.4).
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Technical Specifications

Nominal Voltage
Frequency
Power
Protection Index
Primary Current
Ambient Temperature
Output Voltage
Max. Output Current
Version February 2014
230 V
50 Hz / 60 Hz
2800 VA, 80% duty cy.
IP 54
16 A
– 20°C to + 60 °C (– 4°F to + 140°F)
8 V - 48 V
110 A
HÜRNER HST 300 Manual USB 2.0 User's Manual
13
EN