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Maintenance – King Electric GPT 3 User Manual

Page 17

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Page 17 of 21

Maintenance

General

The GPT–3 does not require routine maintenance. It contains no field replaceable

components.

Troubleshooting

The GPT–3 provides extensive fault diagnosis capability for the purpose of quickly

identifying and correcting system problems. Front panel indicators perform multiple functions
so as to provide the greatest amount of information. With one exception one, or more, indicators
flashing in repetitive patterns mean that a fault requiring a qualified technician for correction has
occurred.

The exception is operation of the HEATER FAULT indicator in a 50% on, 50% off pattern

when using self-limiting cable. This can occur when heaters first operate due to the time delay
between the application of power and attaining thermal equilibrium.

Detailed troubleshooting instruction can be obtained from either Customer Service or the

Environmental Technology, Inc. web site at http://www.networketi.com.

Returns

Contact Customer Service to obtain a Return Authorization before shipping anything to

Environmental Technology, Inc. Otherwise, the shipment may be refused.