Usage:
The following troubleshooting guide is an aid in isolating trouble to the control box, plant wiring, or elsewhere. Troubleshooting beyond this level is recommended ONLY when a complete facility for control testing is available.
CAUTION-INPUT VOLTAGE The control can be damaged with the wrong voltage. When replacing a control, check the power supply, battery, etc., for the correct voltage. |
Troubleshooting Procedure
Table 5-1 is a general guide for isolating system problems. This guide assumes that the system wiring, soldering connections, switch and relay contacts, and input and output connections are correct and in good working order. Make the checks in the order indicated. Various system checks assume that the prior checks have been properly done.
WARNING-START-UP Be prepared to make an emergency shutdown when starting the engine, turbine, or other type of prime mover, to protect against runaway or overspeed with possible personal injury, loss of life, or property damage. |
Table 6-1. Troubleshooting