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INOTSY Capital Posted on Jun 05, 2021
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Mitsubishi electric split airco - totally disconnected from power new airoco be used 30 min only after heavy rain the indoor unit ticking like old clock for 8 hours till stop - please advice

1 Answer

Thomas Woodburn

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  • Mitsubishi Master 2,638 Answers
  • Posted on Jun 06, 2021
Thomas Woodburn
Mitsubishi Master
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Joined: Mar 07, 2016
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Possibly water in the disconnect or wet control board. Be sure system sealed up outside properly. Allow to dry and try again.

5 Related Answers

Anonymous

  • 958 Answers
  • Posted on Sep 13, 2008

SOURCE: Mitsubishi Mr. Slim Mini Split MS-A12WA Indoor Unit

no sir gary,

the water would not go to the drain pan if you install it vertically.

water would just drop anywhere and would ruin a lot of things...
'

tnx 4 using fixya,

drcool

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Anonymous

  • 1 Answer
  • Posted on Apr 25, 2009

SOURCE: ac split unit indoor an ouydoor unit electrical wiring diagram

machine off

Anonymous

  • 1489 Answers
  • Posted on May 03, 2009

SOURCE: Clock on a GE electric range is buzzing - how to disconnect it

Turn off power to range first!!!

You'll have to remove the back of the panel in which the clock is installed to access the back of the clock. There will be two wires attached to the clock. Just pulling one of these wires off will stop the clock.

I would suggest, however, that you pull both wires off, put electrical tape on the ends of the connectors, and tuck them out of the way somewhere around the clock.

binev_78

  • 7 Answers
  • Posted on Jun 27, 2009

SOURCE: Mitsubishi electric or Mitsubishi Heavy Industries

as an refrigeration engineer dealing whit them every day my advise is: mitsi heavy industry away much more reliable and better performing.

Anonymous

  • 24 Answers
  • Posted on Dec 19, 2009

SOURCE: No power. I changed fuse but microwave blows it immediately.

Be very careful! Standard microwaves have 2100volt capacitors and commercial ones 4000 volt capacitors.
*Decharge your capacitor(s) before doing diagnostics*.
You are now testing the high voltage side (as it works on convection). The main components are a transformer, a capacitor, a diode and a magnetron (havent seen a triac in a panasonic residential). If you have a proper meter that can test uf, decharge the capacitor, then test the capacitor, if it reads 0, you need a new capacitor (10$ used typically, 14$ new from ebay). To test the magnetron, decharge the capacitor first, remove the spade connections, test each leg to the frame of the microwave... if it shows measurable resistance, the magnetron is bad. The transformer is not something you test as I personally dont have a 4000 volt meter. If the diode, the magnetron and capacitor are okay, then the transformer is bad. To eliminate any other function, disconnect the low voltage to the transformer run a micropower cycle and check the fuse.
Hope that helps. My first instinct is the capacitor.

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Related Questions:

0helpful
1answer

I have a fujitsu mini split AOu24RML1 that is not turning on.

I have found that with my Fujitsu Halcyon, it needs to be disconnected from the mains at the breaker for 2 hours to properly reset. Use that time to clean the filters in the wall unit. The clicking you hear is self testing of relays.
0helpful
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How do I get the fault codes up on a Panasonic split air conditioning system CUE24FKR

14.2.2 To Make a Diagnosis1 Timer LED starts to blink and the unit automatically stops the operation.
2 Press the CHECK button on the remote control continuously for 5 seconds.
3 "- -" will be displayed on the remote control display.
Note: Display only for "- -" (No signal transmission, no receiving sound and no Power LED blinking)
4 Press the TIMER ? or ? button on the remote control. The code "H00" (no abnormality) will be displayed
and signal will be transmit to the main unit.
5 Each press of the button (? or ?) will increase error code
number and transmit error code signal to the main unit.
6 When the latest abnormality code on the main unit and
code transmitted from the remote control are matched,
Power LED will light up for 30 seconds and a "beep" sound
(continuously for 4 seconds) will be heard. If no codes are
matched, Power LED will light up for 0.5 seconds and no
sound will be heard.
7 The breakdown diagnosis mode will be canceled unless
pressing the CHECK button continuously for 5 seconds or
operating the unit for 30 seconds.
8 The LED will be off if the unit is turned off or the RESET
button on the main unit is pressed.
Diagnosis
display Abnormality / Protection control Abnormality
Judgement Emergency operation Primary location to verify H00 No abnormality detected - Normal operation H11 Indoor / Outdoor abnormal communica
tion > 1 min after starting
operation Indoor fan operation
only • Internal / external cable connections
• Indoor / Outdoor PCB H14 Indoor intake air temperature sensor
abnormality Continue for 5 sec. - • Intake air temperature sensor (detec
tive or disconnected) H15 Outdoor compressor temperature sensor
abnormality Continue for 5 sec. - • Compressor temperature sensor
(detective or disconnected) H16 Outdoor Current Transformer open cir
cuit - - • Outdoor PCB
• IPM (Power transistor) module H19 Indoor fan motor mechanism locked 7 times occurance
continuously - • Indoor PCB
• Fan motor H23 Indoor heat exchanger temperature sen
sor abnormality Continue for 5 sec. O
(Cooling only) • Heat exchanger temperature sensor
(detective or disconnected) H24 Indoor heat exchanger temperature sen
sor 2 abnormality Continue for 5 sec. - • Heat exchanger temperature sensor
(detective or disconnected) H27 Outdoor intake air temperature sensor
abnormality Continue for 5 sec. O • Outdoor temperature sensor (detec
tive or disconnected) H28 Outdoor heat exchanger temperature
sensor abnormality Continue for 5 sec. O • Outdoor heat exchanger temperature
sensor (detective or disconnected) H30 Outdoor discharge air temperature sen
sor abnormality Continue for 5 sec. - • Outdoor temperature sensor (detec
tive or disconnected) H33 Indoor / Outdoor wrong connection - - • Indoor / Outdoor supply voltage H38 Indoor / Outdoor mismatch (brand code) H50 Ventilation motor abnormality 7 times occurance
continuously - • Indoor PCB
• Ventilation motor H51 Nozzle lock abnormality 2 times occurance
continuously - • Nozzle H52 Limit switch abnormality - - • Indoor PCB H97 Outdoor fan motor mechanism locked 2 times occurance
within 30 minutes - • Indoor PCB
• Fan motor H98 Indoor high pressure protection - - • Air filter dirty
• Air circulation short circuit H99 Indoor heat exchanger anti-freezing pro
tection - - • Insufficient refrigerant
• Air filter dirty F11 Cooling / Heating cycle changeover
abnormality 4 times occurance
within 30 minutes - • 4-way valve
• V-coil F90 PFC control 4 times occurance
within 10 minutes - • Voltage at PFC F91 Refrigerantion cycle abnormality 2 times occurance
within 20 minutes - • No refrigerant
(3-way valve is closed) F93 Compressor rotation failure 4 times occurance
within 20 minutes - • Compressor F95 Cool high pressure protection 4 times occurance
within 20 minutes - • Outdoor refrigerant circuit F96 IPM (power transistor) overheating pro
tection 4 times occurance
within 30 minutes - • Excess refrigerant
• Improper heat radiation
• IPM (Power transistor) F97 Outdoor compressor overheating protec
tion 4 times occurance
within 10 minutes - • Insufficient refrigerant
• Compressor F98 Total running current protection 3 times occurance
within 20 minutes - • Excess refrigerant
• Improper heat radiation F99 Outdoor Direct Current (DC) peak detec
tion 7 times occurance
continuously - • Outdoor PCB
• IPM (Power transistor)
• Compressor

Note:
"O" - Frequency measured and fan speed fixed.
The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until "beep" sound heard following by pressing the "CHECK" button at remote controller.
Although operation forced to stop when abnormality detected, emergency operation is possible for certain errors (refer to Error Codes Table) by using remote controller or Auto Switch at indoor unit. However, the remote controller signal receiving sound is changed from one "beep" to four "beep" sounds.
0helpful
1answer

Indoor unit fan blows, then stops etc. every 1-2 minutes

At least it is cooling properly. U might just want to call Mitsubishi and ask them if it is operating normally based on your observations.
0helpful
1answer

I have a panasonic split system in the kids bedroom its an ECONAVI indoor unit is CS-E9NKR we have not used this A/C since last summer, now the compressor will not start, only the indoor unit operates

Typically on a mini split the outdoor unit is powered and the indoor unit gets its power from the outdoor unit. If the unit is a year old you might have lost your charge. Look at the connections at the indoor unit and outdoor unit. You will typically see oil or a dirty area on your copper were there is a leak.
6helpful
3answers

Aircon runs for a few minutes then shuts down and timer light flashes

when we start the AC indoor working and out door unit compressor working but fan motor not working and indoor timer light blinking
0helpful
1answer

I have a mitsubishi daiya model SRC56HAA have lost the manual don't know how to get the cooling working

Is it possible to control the Mitsubishi Daiya Split Type Indoor Unit Model Number FDUM321HKXE2 as follows. We have an energy management system that controls the power supply to the room. This is done by using a door contact via a mini PLC to close and open the system The room is powerd up, all electrics and A/C as soon as the door is opened and closed after a 10 min. delay when the person leaves the room. I am trying the regulate the A/C not to power up on entrance. I need it to operate after close down only by requiring a manual operation of the wall control unit, i.e. it must be switched on manualy at each entry. Any advice ??? Regards Bill
5helpful
1answer

Whenever we switch on the ac after 5 to 10 mins water starts leaking from the indoor unit front side.

most likley your airco needs servicing.there is a condensate drain off on the outside where the copper piping comes out the wall,if after the 5 to 10 mins no water comes out through there it could mean that the drainline is choked..also u can check to see if your evaporator is graded properly to ensure a proper drain out of the condensate:-)
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