Fault Code Lookup

HVAC Sales Master
Error History
Daikin One+ System Optimization menu item that logs alerts with an error code
This code typically points to
  • Not a fault itself; menu for reviewing stored equipment alerts
  • Public guide states entries are color-coded white = not critical, yellow = critical

Next checks to confirm
  1. Navigate to System Optimization > Error History
  2. Review logged alerts and their error codes
  3. Inspect corresponding indoor/outdoor equipment status and service literature

Escalation
None by itself; depends on the logged equipment alert
Reset behavior
Not explicitly detailed in accessible public snippet.
Informational
No action needed
Need deeper detail?
Retrieve the subcode for this platform:
  1. For Daikin One+ thermostat: Enter commissioning/advanced menus
  2. Daikin One+: Go to Step 4: System Optimization > Error History
  3. Daikin One+: Review each logged error by date/time, code-equipment pairing, and description
  4. Daikin One+: Where supported, review the minor error code field
  5. Daikin One+: Use Clear Error History when needed
  6. For Goodman ComfortNet board (no Daikin thermostat): From the status menu, depress the right push button once
  7. Goodman ComfortNet: Use left or right button to review fault history
  8. Goodman ComfortNet board: recall last 6 faults from fault-history menu
Source
Daikin One+ S21 Installation Guide, Step 4 — System Optimization, p.28; Daikin One+ public installation/commissioning literature also describes Error History under System Optimization