Gai-tronics DEX-101 Hazardous Area Driller's Intercom Sta Instrukcja Użytkownika Pobierz pdf (Strona 13)

Pub. 42004-679L2G

ODEL DEX-10X AND DEX-20X DRILLER’S INTERCOM STATIONS Page 12 of 13

f:\standard ioms - current release\42004 instr. manuals\42004-679l2g.doc

07/13

Maintenance

General Information

If you experience additional problems, please contact the GAI-Tronics Field Service Department at

1-800-492-1212 and follow the voice prompts.

In order to ensure explosion-proof integrity, repairs to this equipment are to be made ONLY by the

GAI-Tronics Field Service Department and/or factory-authorized personnel. Factory-authorized

personnel must reseal the unit by first checking that all flange surfaces are free of gouges or

scratches. Apply a light coating of Killark “LUBG” lubricant to all flanged surfaces before closing.

Install the bolts and tighten to 30 ft-lbs.

WARNING

Always remove power to this station and any associated equipment before beginning any

maintenance.

Troubleshooting

Problem Possible Solution

Low speaker volume Increase the actual and/or maximum volume settings in the configuration.

Refer to the “Volume Configuration” section of the Central Manual for

details.

High speaker volume Decrease the actual and/or maximum volume settings in the configuration.

Refer to the “Volume Configuration” section of the Central Manual for

details.

No speaker output Set the station’s attendant contacts OUT 1 to be active while the conversation

is active and when the loudspeaker is active. Refer to the “Attendant

Contacts Configuration” section of the Central Manual for details.

No beacon contact Verify the station’s attendant contacts OUT 2 are active for the desired

condition. Refer to the “Attendant Contacts Configuration” section of the

Central Switch manual for details.

Feedback 1. Point the station speakers in opposite directions.

2. Reduce the speaker volume of the stations. Refer to the “Volume

Configuration” section of the Central Switch manual for details.

3. Increase the distance between stations.

4. Change the mode of operation from duplex to simplex. Refer to the

“Simplex Configuration” section of the Central Switch manual for details.

5. Two stations can be barred from communication. Refer to the

“Protection against Feedback Configuration” section of the Central

Switch manual for details.

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Gai-tronics DEX-101 Hazardous Area Driller's Intercom Sta Instrukcja Użytkownika Strona 13