Panasonic · Air conditioner · Fault guide

Panasonic Air conditioner F87 error

ErrorF87

F87 is listed in Panasonic's official, model-scoped air-conditioner fault table as control-box overheat protection.

Reference source listed as Panasonic Cambodia official inverter air-conditioner self-diagnosis table.

Open official source ↗
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Stop and make safe

control-box overheat protection

Stop if there is smoke, a burning smell, damaged wiring, repeated breaker operation, or refrigerant leakage. Do not open fixed electrical or refrigerant panels. Record the code and contact a qualified Panasonic service technician for inspection; the official page reserves complex troubleshooting and repairs for qualified service personnel.

Typical symptoms

01F87 is shown on the Panasonic air conditioner display, indicator, or connected app
02The published condition is: control-box overheat protection
03The measured temperature condition does not match the operating range represented by F87
04The important observation is when F87 appears and whether the exact published action changes that condition

Fault area and what the code does not prove

Separate the manufacturer-defined condition from components that still need exact-model diagnosis.

01Manufacturer-defined fault area — control-box overheat protection
02F87 identifies the temperature condition but does not alone prove a sensor, airflow, heater, refrigerant, wiring, or control fault
03Model boundary — apply this interpretation only to Panasonic inverter air conditioners covered by the official Cambodia self-diagnosis table

Safe next steps

  1. 1
    Confirm the exact Panasonic Air conditioner F87 model and displayed code before taking action.
  2. 2
    Keep the appliance in a safe state and use only the external checks named in the official source.
  3. 3
    If the condition remains, stop and arrange qualified service; do not open panels or bypass a safety device.

Step-by-step diagnosis

  1. 1
    Photograph the complete F87 display before changing controls or removing power
  2. 2
    Confirm that the full model number is covered by this scope: Panasonic inverter air conditioners covered by the official Cambodia self-diagnosis table
  3. 3
    Confirm that the observed condition matches the published meaning: control-box overheat protection
  4. 4
    Published check — Do not open fixed electrical or refrigerant panels
  5. 5
    Published check — Record the code and contact a qualified Panasonic service technician for inspection
  6. 6
    Published check — the official page reserves complex troubleshooting and repairs for qualified service personnel
  7. 7
    Stop at the published service boundary after these actions
  8. 8
    do not add a restart or test cycle that Panasonic does not specify for F87
  9. 9
    Published check — Give service the F87 photo, full model and serial number, when it appeared, and the result of every published external check
  10. 10
    Stop at the published service boundary after these actions; do not add a restart or test cycle that Panasonic does not specify for F87

Service-safe actions

  1. 1
    Do not open fixed electrical or refrigerant panels
  2. 2
    Record the code and contact a qualified Panasonic service technician for inspection
  3. 3
    the official page reserves complex troubleshooting and repairs for qualified service personnel
  4. 4
    Give service the F87 photo, full model and serial number, when it appeared, and the result of every published external check

Repair planning

Cost for the first check
F87 cost planning: €0 for cooldown and external checks. If F87 returns at normal conditions, €140–€320 is a typical Europe planning range for diagnosis before parts; it is not Panasonic pricing.
Time for the first check
F87 time plan: 15–60 minutes for safe cooldown or temperature normalization; professional electrical diagnosis usually takes 30–90 minutes.
🔧Tools
Timer, Exact-model cooldown and ventilation instructions, No live temperature-sensor or mains-voltage test equipment
Parts or consumables
F87 parts decision: None for cooldown or external ventilation checks. F87 may identify a temperature-related area, but it does not establish the exact sensor, heater, fan, or control part.

What not to do

  • Do not defeat thermal protection, apply external heat, test a live sensor circuit, or restart repeatedly before the appliance has cooled
  • Do not run an extra test cycle after the source tells you to stop or arrange service for F87

Preventive maintenance

  • 1
    Follow the exact Panasonic maintenance schedule for the air conditioner and keep the model, serial number, and service history available
  • 2
    If F87 begins recurring despite the documented maintenance, stop repeating the same action and request exact-model diagnosis

Frequently asked questions

What exactly does F87 identify?

Panasonic identifies it as control-box overheat protection.

Which action is actually supported for F87?

Do not open fixed electrical or refrigerant panels; Record the code and contact a qualified Panasonic service technician for inspection; the official page reserves complex troubleshooting and repairs for qualified service personnel; Give service the F87 photo, full model and serial number, when it appeared, and the result of every published external check.

Can I run another test after F87?

Not unless the official procedure above explicitly includes it. Complete the safe external actions, then keep the appliance stopped at the service boundary.

Does F87 prove which part failed?

No. It identifies “control-box overheat protection”; parts are selected only after the exact model and failed function are confirmed.

What information should accompany a service request?

The F87 photo, full model and serial number, the operating stage when it appeared, and the result of each published check.

Related faults

Compare related codes for the same appliance or manufacturer before replacing parts.