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SW TBLtrouble

Notifier NFW2-100: SW TBL

Notifier NFW2-100·0 views·0 field notes

What This Code Means

Indicates a module has failed the testing of its Class A switching relay.

Common Causes

  • 1Relay hardware failure
  • 2Wiring fault on Class A return
  • 3Defective module

Resolution Steps

Inspect the wiring for the Class A circuit. If wiring is correct, replace the control or monitor module.

Manual References(1)

Field Notes

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Related Codes

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