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Multiflex Wall Mount - Hycontrol

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O) Relays not switching:-<br />

1. Check the programmed relay designations and settings at Pr.8-Pr.22.<br />

Functions can be tested under simulation at Pr.78.<br />

2. Test the relays at Pr.75 or Pr.76.<br />

3. Check contact continuity at the terminals.<br />

Warning:<br />

We recommend disconnection of external controls, alarms etc. before<br />

performing the above tests.<br />

P) The PCB hums loudly:-<br />

1. Check the transformer mounting screws for tightness on the bottom PCB.<br />

MULTIFLEX MANUAL 44<br />

EDITION 2 : NOV 2000<br />

SECTION 6

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