WRNSERVICE T3+4

UnclassifiedGeneral

What This Code Means

Alarm message 'WrnServiceT1+2' or 'WrnService T3+4' is displayed; Maintenance interval timer alarm activates

Possible Causes

  • Maintenance interval timer counter reached zero
  • Periodical maintenance is required

Suggested Actions

  1. 1Perform periodical maintenance
  2. 2Set the timer value again to remove the alarm message

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for WRNSERVICE T3+4 on your specific Shindaiwa unit — cited to the OEM manual, not a forum guess.

TRY IT FREE