Panasonic CU-5Z90TBE - Service Manual

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Order No: PAPAMY1710082CE

Air Conditioner

Outdoor Unit

CU-4Z80TBE

CU-5Z90TBE

Destination

Europe

Please file and use this manual together with the service manual for Model No. CS-MZ16TKE CS-Z20TKEW CS-Z25TKEW

CS-Z35TKEW CS-Z42TKEW CS-Z50TKEW CS-Z71TKEW CS-XZ20TKEW CS-XZ25TKEW CS-XZ35TKEW CS-XZ50TKEW

CS-MTZ16TKE CS-TZ20TKEW CS-TZ25TKEW CS-TZ35TKEW CS-TZ42TKEW CS-TZ50TKEW CS-TZ60TKEW CS-TZ71TKEW

CS-TE20TKEW CS-TE25TKEW CS-TE35TKEW CS-TE42TKEW CS-TE50TKEW CS-TE60TKEW CS-E9PD3EA CS-E12QD3EAW

CS-E18RD3EAW CS-E9PB4EA CS-E12PB4EA CS-E18RB4EAW CS-E21RB4EAW

Order No. PAPAMY1702034CE PAPAMY1701023CE PAPAMY1702032CE PAPAMY1703046CE PAPAMY1704060CE

PAPAMY1703052CE PAPAMY1704061CE PAPAMY1305054CE PAPAMY1406071CE PAPAMY1505102CE PAPAMY1305053CE

PAPAMY1501055CE

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or

repair the products dealt with in this service information by anyone else could result in serious injury or death.

There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic

Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be

replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission

of manufacturer.

IMPORTANT SAFETY NOTICE

PRECAUTION OF LOW TEMPERATURE

In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.

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Operating Instructions116 pages

Questions and Answers

D
Diane HollowayAug 25, 2025
What to do if Panasonic CU-5Z90TBE unit does not work?
- R
  rebecca45Aug 25, 2025
  If your Panasonic Air Conditioner unit isn't working, check if the circuit breaker has tripped. Also, verify whether any timers have been set.
B
Bruce BullockSep 4, 2025
Why does mist emerge from my Panasonic CU-5Z90TBE Air Conditioner?
- J
  Jessica WardSep 4, 2025
  If you see mist emerging from the indoor unit of your Panasonic Air Conditioner, it is a condensation effect due to the cooling process.
R
robertsdonaldSep 7, 2025
Why is the cooling/heating capacity reduced on my Panasonic CU-5Z90TBE Air Conditioner at the lowest fan speed?
- A
  Anna EdwardsSep 7, 2025
  If you've noticed a reduction in cooling/heating capacity during the lowest fan speed setting on your Panasonic Air Conditioner, it's because the low fan speed prioritizes low noise operation, which can reduce cooling/heating capacity. To increase capacity, increase the fan speed.
C
Cynthia ThomasSep 7, 2025
Why Panasonic CU-5Z90TBE unit doesn't receive signal from remote control?
- A
  Amanda CastilloSep 7, 2025
  If your Panasonic Air Conditioner unit isn't receiving the signal from the remote control, ensure that the receiver is not obstructed. Note that certain fluorescent lights may interfere with the signal transmitter; consult an authorized dealer for assistance.
J
justin86Sep 6, 2025
How to reduce noise during Panasonic CU-5Z90TBE operation?
- A
  Andrew CareySep 7, 2025
  If your Panasonic Air Conditioner is noisy during operation, check whether the unit has been installed at an incline and ensure that the front panel is properly closed.
A
Anthony OliverSep 6, 2025
Why is my Panasonic Air Conditioner making noise during heating?
- K
  Katie CarterSep 6, 2025
  The noise you are hearing during heating operation is likely due to the defrost operation being in process.
K
Kayla JensenSep 6, 2025
What to do if my Panasonic Air Conditioner smells bad?
- M
  Melissa CollinsSep 6, 2025
  The unit inside is dirty and has accumulated odor components. Contact your dealer for assistance.
J
Jennifer BeckerSep 5, 2025
Why is my Panasonic CU-5Z90TBE discharging dust?
- L
  Luke ProctorSep 6, 2025
  Dust discharge may occur if dust has accumulated inside the indoor unit. Ensure that nanoe™ X is set to ON. If nanoe™ X is already ON, it may be considered abnormal, and you should contact your dealer.
L
Lori CrawfordSep 5, 2025
How to improve the efficiency of HEAT/COOL mode on my Panasonic CU-5Z90TBE?
- P
  Patrick MiddletonSep 5, 2025
  If your Panasonic Air Conditioner isn't operating efficiently in HEAT/COOL mode, make sure you've set the temperature correctly. Close all doors and windows, clean or replace the filters, and clear any obstructions at the air inlet and outlet vents.
T
turneramySep 5, 2025
Why does Panasonic CU-5Z90TBE Wireless LAN LED stay ON during unit turn OFF?
- T
  Theresa HowardSep 5, 2025
  If the Wireless LAN LED stays ON during unit turn OFF of your Panasonic Air Conditioner, it means the unit’s LAN connection with the router is activated.