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

R
Ricky TorresSep 23, 2025
Why does my Panasonic CU-5Z90TBE's indoor fan stop occasionally during heating operation?
- E
  Edward CrawfordSep 23, 2025
  The indoor fan in your Panasonic Air Conditioner stops occasionally during heating operation to avoid unintended cooling effect.
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.
N
Nicole HessAug 27, 2025
Why does my Panasonic CU-5Z90TBE outdoor unit emit water/steam?
- N
  Nathan GravesAug 27, 2025
  If the outdoor unit of your Panasonic Air Conditioner emits water or steam, it is due to condensation or evaporation occurring on the pipes.
H
Hannah HernandezSep 14, 2025
Why indoor fan stops during automatic speed on Panasonic Air Conditioner?
- S
  Shane JohnsonSep 14, 2025
  If the indoor fan of your Panasonic Air Conditioner stops occasionally during automatic fan speed setting, it helps to remove the surrounding odour.
W
William TurnerSep 18, 2025
Why does the Panasonic CU-5Z90TBE POWER indicator blink and stop in COOL/DRY mode?
- T
  Teresa RodriguezSep 18, 2025
  If the POWER indicator blinks and stops when operating in COOL/DRY mode, it indicates that the system has locked to operate in HEAT mode only.
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
Tyler MeyerSep 8, 2025
Why is my Panasonic CU-5Z90TBE Air Conditioner making a cracking sound during operation?
- J
  James SmithSep 8, 2025
  The cracking sound during operation is caused by changes in temperature that lead to the expansion and contraction of the unit's components.
D
Denise ObrienSep 14, 2025
Why indoor fan stops during heating in Panasonic Air Conditioner?
- P
  Patrick HernandezSep 14, 2025
  If the indoor fan stops occasionally during heating operation of your Panasonic Air Conditioner, it is to avoid unintended cooling effect.
J
Juan SmithSep 23, 2025
Why does my Panasonic CU-5Z90TBE have airflow even after operation has stopped?
- S
  Shane JonesSep 23, 2025
  The airflow continues even after the operation has stopped on your Panasonic Air Conditioner to extract remaining heat from the indoor unit. This process takes a maximum of 30 seconds.
A
Ashley Gordon MDAug 25, 2025
Why POWER indicator blinks during HEAT mode on Panasonic Air Conditioner?
- D
  Daniel ScottAug 26, 2025
  If the POWER indicator on your Panasonic Air Conditioner blinks during HEAT mode and there's no warm air, with the flap closed, it means the unit is in defrost mode and AIR SWING is set to AUTO.