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

U
uyoderSep 4, 2025
Why is there discoloration of some plastic parts in my Panasonic CU-5Z90TBE Air Conditioner?
- D
  David HayesSep 5, 2025
  Discoloration of some plastic parts in your Panasonic Air Conditioner is subject to the material types used in plastic parts, accelerated when exposed to heat, sunlight, UV light, or environmental factors.
J
Jennifer CervantesAug 25, 2025
Why is my Panasonic CU-5Z90TBE Air Conditioner HEAT/COOL mode not working efficiently?
- A
  andrea32Aug 25, 2025
  If your Panasonic Air Conditioner isn't working efficiently in HEAT/COOL mode, ensure that you have set the temperature correctly, and that all doors and windows are closed. You should also clean or replace the filters, and clear any obstructions at the air inlet and outlet vents.
J
joanjohnsonSep 4, 2025
Why is my Panasonic Air Conditioner making a water flowing sound?
- M
  matthew12Sep 4, 2025
  If you hear a water flowing sound during the operation of your Panasonic Air Conditioner, this is due to refrigerant flow inside the unit.
D
Danielle TaylorSep 3, 2025
Why is my Panasonic CU-5Z90TBE Air Conditioner making a cracking sound?
- B
  Brandi FordSep 3, 2025
  If you hear a cracking sound during the operation of your Panasonic Air Conditioner, it is due to temperature changes causing the expansion or contraction of the unit.
S
Steven RuizSep 3, 2025
Why does my room have a peculiar odour when using Panasonic Air Conditioner?
- S
  Stacey ByrdSep 3, 2025
  If the room has a peculiar odour when your Panasonic Air Conditioner is running, this may be due to damp smell emitted by the wall, carpet, furniture or clothing.
V
Victoria ThompsonSep 2, 2025
Why does airflow continue after Panasonic Air Conditioner has stopped?
- R
  robertterrySep 2, 2025
  If airflow continues from your Panasonic Air Conditioner even after operation has stopped, this is due to the extraction of remaining heat from the indoor unit, which takes a maximum of 30 seconds.
J
Jaclyn Kerr DVMSep 2, 2025
Why does Panasonic CU-5Z90TBE indoor fan stop during automatic fan speed setting?
- M
  morenokatherineSep 2, 2025
  The indoor fan of your Panasonic Air Conditioner might stop occasionally during automatic fan speed setting to help remove the surrounding odour.
A
Alexander FoxSep 2, 2025
Why does Panasonic CU-5Z90TBE indoor fan stop during heating?
- K
  Kathryn FoleySep 2, 2025
  The indoor fan of your Panasonic Air Conditioner might stop occasionally during heating operation to avoid unintended cooling effect.
C
Christopher SanchezSep 1, 2025
Why is Panasonic CU-5Z90TBE operation delayed a few minutes after restarting?
- N
  Natalie JohnsonSep 1, 2025
  If your Panasonic Air Conditioner operation is delayed a few minutes after restarting, this delay is a protection mechanism for the unit’s compressor.
J
Jennifer JonesSep 1, 2025
What does it mean when Panasonic CU-5Z90TBE POWER indicator blinks during HEAT mode?
- G
  Glen CampbellSep 1, 2025
  If the POWER indicator on your Panasonic Air Conditioner blinks during HEAT mode with no warm air supply and the flap is closed, the unit is in defrost mode, and AIR SWING is set to AUTO.