ABB RPB 320 Instruction Manual page 12

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1RWH In the event of functional trouble, please contact your nearest FAC/ABB
agency.
Check the service points before sending the power source to the workshop.
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The yellow indicating lamp for thermal overload (H12) goes on when the thermostat
has tripped as a result of overheating of the power source.
The thermostat trips if the power source is continuously overloaded beyond the nor-
mal values, or if the circulation of the cooling air is blocked.
The fans cool the power source, and when the lamp goes out the power source is
ready for use again (resetting takes place automatically.)
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The fuse (F11, 6.3 A, slow) on the rear of the power source functions as a protection
for the terminal of the remote control cable X14-15.
The supply voltage unit for extra equipment (single-phase, alternating current, 30V/
240 VA) has a separate fuse (F12 1.0 A, slow).
1RWH Use the same type and size of fuse as indicated beside the fuse holder.
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The primary circuits of the machine are protected against sudden, short over-volt-
ages.
The machine is designed for continuously withstanding 3 x 440V, (see Technical
Data: 415V +6%). Check that the voltage remains within the permissible limits, par-
ticularly when the voltage is supplied by for example a generator, driven by an inter-
nal combustion engine.
If there is under-voltage on the mains (below 300 V) the control of the power source
automatically ceases to function.
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505 890-102