Eaton Static Transfer Switch 2000A 3-Pole Installation and Operation Manual 164001127—Rev 01 81
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• Danger: The STS 2000A has high voltages inside the cabinet!
• Do not operate the unit without all covers securely in place.
• Do not allow servicing by unauthorized personnel. You may void your warranty.
• Do not touch the printed circuit boards containing the processor and logic circuits without first consulting
Eaton Service (1-800-843-9433).. Untrained personnel can seriously damage the equipment and may cause
themselves serious or fatal injuries.
If after reviewing and checking all the recommended correction procedures for any problem, please do not
hesitate to contact Power Distribution, Inc. for service related calls or scheduling.
Table 5. Troubleshooting
Symptom Probable Cause
No power to unit. No building power to Power
Input bus. Restore building power.
Unit not connected to Power
Input bus. Connect unit to Power Input bus.
Input breaker not closed
Turn on or reset breaker.
Specific output circuit is dead. Output circuit breaker is off.
Turn on or reset breaker.
Output circuit breaker and/or cable are not connected to
Equipment. Connect (if authorized) output circuit to equipment
and turn on.
No output voltage from unit but the unit indicators are on. Input circuit breaker off or tripped.
Check display panel for alarms; acknowledge or reset alarms
then turn on or reset breaker.
Monitor and display will not operate.
Blown Fuse (1, 2, 3, or 4)
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