Indoor Capacity Error

Indoor Capacity Error

Indoor capacity error codes by model:

2x Operation & 2x Timer:

ASU7RLF1, ASU9RLF1, ASU12RLF1, ASU18RLF, ASU15RLS, ASU15RLS2, ASU15RLF1, ASU24RLF, ASUH07LPAS, ASUH09LPAS, ASUH12LPAS, ASUH15LPAS, ASUH18LPAS, ASUH24LPAS, ARU7RLF, ARU9RLF, ARU12RLF, ARU18RLF, ARU24RLF, ADUH07LUAS1, ADUH09LUAS1, ADUH12LUAS1, ADUH18LUAS1, ADUH24LUAS1, AUU7RLF, AUU9RLF, AUU12RLF, AUU18RLF, ACUH07LUAS1, ACUH09LUAS1, ACUH12LUAS1, ACUH18LUAS1, AGU9RLF, AGU12RLF & AGU15RLF

 5x Operation & 7x Timer:

ASU9RMLQ, 12RMLQ, ASU18RMLQ, *ARU9RML, *ARU12RML, *ARU18RML, AUU9RML, AUU12RML & AUU18RML

(*Refer to the wire remote controller)

2 flashes on LED A, 2 flashes on LED B & 1 flash on LED F:

AOU36RLXFZH & AOU45RLXFZ

 E221 outdoor LED:

AOU48RLXFZ & AOU48RLXFZ1

22 / 1F Wired remote:

UTY-RNNUM, UTY-RVNUM, UTY-RSNUM, UTY-RNRUZ Series, UTY-RSRY, & UTY-DMMUM

Indoor Capacity Error Troubleshooting Checklist

1. On multi-zone systems, indoor capacity errors indicate that the condenser cannot communicate with one or more indoor units. The indoor flashing the capacity error code is the normal working unit. It's the other indoor units that that have the problem. Most likely these downed units will be flashing a communication error code or in some cases, no LEDs will be on at all. For help troubleshooting communication errors click here.
2. Check total capacity of all connected indoor units to make sure you are not under or over capacity. To download a copy of Multi-Zone Allowable Combinations list, see attached file.
3. When the communication error is solved with the other units (not flashing the capacity error) the indoor capacity error code will stop flashing and normal operation will resume.

Disclaimer:

Always Practice Safety First. Turn off power before commencing any work.  In order to perform some of these tests an electrical and/or refrigerant license is required. We strongly advise to check the Service manual for more detailed explanation. If you are not sure about these recommendations please contact our technical support line at 866-952-8324. Fujitsu General America, Inc. is not responsible for any damage and/or harm caused by unsafe acts during these test.