These codes apply to MyAir 3, 4, and 5 systems, MyPlace, e-zone, and Zone10e — all third-party control systems that can integrate with Fujitsu air conditioners.
1. Communication and Connection Errors
| Code | Description | Recommended Action |
|---|---|---|
| AA1 | Communication error between control box and A/C indoor unit | Wait 5 mins → Power cycle mains (off 15 mins) → Retest. Contact A/C specialist if unresolved. |
| AA2 | Multiple unit controllers detected | Same as above — indicates multiple controllers on same line. |
| AA3 | General communication error | Same reset procedure. |
| AA4 | No temperature sensors detected | Same reset procedure. |
| AA5 | Mismatched unit settings | Check configuration or reset system. |
| AA7 | WSW mismatch | Likely system software version mismatch. Perform full restart. |
| AA8 | Incompatible unit integration | Contact specialist — Fujitsu compatibility issue possible. |
| AA44–AA46 | Touchscreen ↔ control box communication failure | Power down touch screen 5 mins, check cabling in ceiling, ensure Google Play apps are current. |
| AA45–AA46 | Network (Wi-Fi) communication error | Reboot router and touchscreen. Check Wi-Fi signal. |
| AA70 | Permissions issue | Open the AA Service app → enable required permissions for operation. |
2. Installation or Setup Errors
| Code | Meaning | Resolution |
|---|---|---|
| AA10–AA13 | Installation issues | Call installing A/C technician. |
| AA60–AA69 | Installation errors (general) | Contact installation contractor for review. |
| AA52–AA53 | Activation code required | Obtain activation code from A/C specialist and enter on wall-mounted touchscreen. |
3. Remote Access and Internet Errors
| Code | Description | Action |
|---|---|---|
| AA20–AA23 | Remote access or internet disconnection | Reconnect touchscreen to Wi-Fi or router; check remote access in AA Service app. |
| AA25–AA26 | Remote access starting/working | Informational only (no action needed). |
| AA27–AA31 | Server busy / remote link down | Restart router and touchscreen, wait 10 mins, then retry. |
| AA42–AA43 | Mobile device can’t find touchscreen | Ensure both phone and touchscreen are on the same Wi-Fi; reboot touchscreen and retry. |
| AA48–AA49 | Device pairing issue (Apple/Android) | Connect both devices to the same Wi-Fi → open MyAir app → control system for 10s → disconnect → retest remote access. |
| AA71–AA72 | No systems stored / no Wi-Fi connection | Reconnect to same Wi-Fi and pair again via app. |
4. Software and App Version Issues
| Code | Description | Resolution |
|---|---|---|
| AA33–AA37 | Apps on touchscreen out of date | Connect to internet → open Play Store → update MyPlace, MyAir, e-zone, Zone10e, AA Service, and AA Waca → reboot. |
| AA38–AA39 | Mobile app out of date (Apple/Android) | Update via App Store or Play Store. |
| AA40 | AA Service recently updated | Reboot wall-mounted touchscreen. |
| AA41 | Outdated service version (V1) | Update to AA Service V2 using Advantage Air’s update link. |
| AA73–AA74 | Touchscreen needs app updates | Follow standard update procedure and reboot. |
| AA75–AA76 | Mobile app (iPhone/Android) outdated | Update MyAir / MyPlace / e-zone / Zone10e app to latest version. |
5. Activation and Multi-System Errors
| Code | Description | Resolution |
|---|---|---|
| AA9 | Activation code expired | Contact A/C specialist for a new code. |
| AA50 | Detected new system | In app → Settings → MyAir/MyPlace → toggle to Multiple Systems. |
| AA14 / AA29 / AA32 | Connection errors (unspecified) | Contact Advantage Air Help Desk – 1300 850 191. |
6. General Support Guidance
When to Contact a Technician:
After attempting the standard 15-minute power cycle with no resolution.
For installation faults (codes AA10–AA13, AA60–AA69).
For communication or integration mismatches (AA8, AA70).
When to Contact Advantage Air Support:
Persistent connectivity or remote access issues (AA20–AA31, AA42–AA46).
App or software update problems.
Direct support: 1300 850 191 (Mon–Fri, 8:30am–5:00pm AEST).