GAI-Tronics 263 매뉴얼 - 페이지 9

{카테고리_이름} GAI-Tronics 263에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. GAI-Tronics 263 15 페이지. Isolation barrier unit

Model 263 Isolation Barrier Unit (IBU)

Equipment-Related Problems

Problem

There is no incoming ring tone.

No receiver audio, no sidetone,

and cannot hear touch tones

when pressed.

Cannot dial out, but can hear

touch tones when pressed.

I.S. phone appears inactive.

CAUTION

Any field repairs on the intrinsically-safe design of the phone are strictly prohibited. Any such

change will void ALL hazardous approvals. Please contact the GAI-Tronics Field Service Department at

800-492-1212 inside the USA or 610-777-1374 outside the USA for the Regional Service Center closest

to you.

\\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-178d.doc

03/06

Solution

1. Check the I.S. telephone panel.

2. Check the Model 263 IBU.

1. Check the I.S. telephone panel.

2. Check the Model 263 IBU.

3. There may be a wiring open or a short in the connecting cable.

1. Check the Model 263 IBU.

2. There is no TELCO connection or it is faulty.

1. Check the I.S. telephone panel.

2. Check the ac fuse F4 at the Model 263 IBU.

3. Ensure there is no wiring open in the connecting cable or at the I.S.

telephone.

Pub. 42004-178D

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