Fujitsu General Air Conditioner Error 98

⚡ Quick Answer: The Fujitsu General air conditioner error code 98 signifies a communication failure between the indoor and outdoor units. This issue may cause the dis... ⚠️ Difficulty Varies

What Does Error 98 Mean?

The Fujitsu General air conditioner error code 98 signifies a communication failure between the indoor and outdoor units. This issue may cause the display to blink or show an error message. Users are advised to power cycle the unit and consult the model-specific manual for further guidance. If the problem persists, contacting Fujitsu General support with the model number and error code is recommended for a more thorough diagnosis.

Possible Causes

  • Communication cable failure
  • Faulty control board
  • Power supply issues

How to Fix Error 98

DIY Fix Basic checks and information due to lack of documented meaning

  1. Power cycle the unit by turning off power for several minutes and then turning it back on
  2. Check the unit’s manual for model‑specific error code documentation
  3. Contact Fujitsu General support or your installer with the exact model number and error code displayed

Technician Only Professional diagnosis required

  1. Use service tools or manufacturer diagnostic modes to read fault memory
  2. Check wiring and connections between indoor and outdoor units
  3. Inspect sensors and control boards specific to the model

Parts needed: Diagnostic tools, Multimeter, Replacement electronic components if identified by service documentation

🛑 When to Call a Pro:
  • If the error persists after simple power cycling and reference to manual
  • If the unit will not operate normally or symptoms (e.g., no cooling) continue

Next step

Choose the next step for 98

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Air Conditioner Fin Cleaner

For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.

View maintenance supply
Maintenance supply

Model-Compatible Washable AC Filter

A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

note The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering.
part_number None

Common Questions

What does 98 error mean on Fujitsu General air conditioner?

Error 98 indicates a communication failure between the indoor and outdoor units.

Can I fix Fujitsu General air conditioner 98 error myself?

Yes, you can try power cycling the unit and checking the manual for guidance.

How much does it cost to fix 98 error?

Repair costs vary by model and region; consult a technician for an estimate.

When should I call a technician for 98?

Call a technician if the error persists after power cycling or if the unit does not operate normally.

Data last verified: 2026-07-31

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