Voltage Guard - AMF S-100 Parts And Service Manual

E
2 0 . VO LTAG E G UA R D
The voltage guard - relay HRN-35 (VC1) as an extra accessories is placed in the machine control box. It is
adjusted and sealed from a manufacturer. If the supply voltage is in the required range, the green LED Un
indicates it on the voltage monitoring relay. If the upper limit (250V) of the supply voltage is exceeded, the
red LED , indicates it. If the supply voltage is lower than 190V, the green LED stops indicating and the
red LED . indicates it. If the supply voltage returns to the required range, the red LED stops indicating.
The upper limit (250V) is exceeded
a) When the power switch
power supply is disconnected, the display is not light and it is not possible
to switch the machine on.
b) If the supply voltage is higher than the upper limit during a sewing, the machine is
automatically switched off to prevent control electronics damage. When the voltage
level is restored to acceptable levels (190 - 250V), it is possible to start the machine
in the standard way
The supply voltage is below the lower limit 190V
a) If the supply voltage is below the lower limit 190V, the message „LOW VOLTAGE" appears on
the display.
b) If the supply voltage drops below the lower limit during the sewing, the machine automatically stops
and the „LOW VOLTAGE" message appears on the display.
When the voltage level is restored to acceptable levels (190-250V), it is possible to start the
machine in the standard way.
Revised 02/2009
e-mail: service@amfreece.cz; parts@amfreece.cz; website: www.amfreece.com
Phones: +420 582 309 146 (Service); +420 582 309 286 (Spare Parts); Fax: +420 582 360 606
- STANDARD MACHINE ADJUSTMENT
is switched to the position 1, the red LED
S-311
. The
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