Issue
Control trouble # 87 displays, AC Power failure.
Solution
Probable Cause:
- The transformer is unplugged.
- The wiring from the transformer is defective.
- The transformer is defective.
- The transformer may be connected to a circuit controlled by a switch or a circuit breaker that is periodically turned off.
Possible Solution:
- Plug in the transformer.
- Check the wiring.
- Check the circuit and circuit breakers.
- Replace the transformer.
- Connect to a circuit that is not controlled by a switch or circuit breaker that is periodically turned off.
Part numbers DS7400X, DS7400, DS7400Xi, DS7400XIVER2, DS7400XIVER3+, DS7400XIVER4
