YMGI WMMS-36CH Manuel d'utilisateur télécharger pdf (Page 17)

MAINTENANCE &

TROUBLE-SHOOTING

MAINTENANCE &

TROUBLE-SHOOTING

P31 OF 34 P32 OF 34

Compressor operates

Air exhaust protection frequency limitAir exhaust protection frequncy limit

Compressor high pressure protection

unit stop

Cooling overload frequncy reducing Cooling overload frequncy limit

Air exhaust protection unit stop

Over current protection frequency limit

Over current protection frequency

reducing

Communication malfunction unit stop

(Include indoor unit and driver)

Phase current protection frequncy

reducing

Phase current protection frequncy limit

IPM modular protection unit stop

Heating A unit anti-high temperature

frequncy reducing

Heating A unit anti-high temperature

frequncy limit

Over current protection unit stop

Heating B unit anti-high temperature

frequncy reducing

Heating B unit anti-high temperature

frequncy limit

Cooling overload unit stop

Heating C unit anti-high temperature

frequncy reducing

Heating C unit anti-high temperature

frequncy limit

Each indoor unit starts heating at same time

anti-high temperature protection unit stop

Heating D unit anti-high temperature

frequncy reducing

Heating D unit anti-high temperature

frequncy limit

Each indoor unit anti-freezing protection

at same time unit stop

Defrosting

Oil return

Outdoor unit temp. sensor malfunction or each

indoor unit temp. sensor malfunction unit stop

Compressor overload protection unit

stop

Compressor low-pressure protection

unit stop (preserved)

Phase current protection unit stop

E2 PROM Error unit stop

DC power supply short circuit

D101 D102 D103

D104 D105 D106

D107

D108 D109

Blink

once

Blink

once

Twice Twice

Three

times

Three

times

Blink

once

Twice

Three

times

Four

times

Five

times

Six

times

Seven

times

Eight

times

Nine

times

Ten

times

Eleven

times

Twelve

times

Thirteen

times

Fourteen

times

Fifteen

times

A unit communication malfunction

(cannot receive correct data within 3mins.)

B unit communication malfunction

(cannot receive correct data within 3mins.)

A unit indoor middle temp. sensor

malfunction

B unit indoor middle temp. sensor

malfunction

A unit indoor outlet pipe temp. sensor

malfunction

B unit indoor outlet pipe temp. sensor

malfunction

A unit indoor inlet pipe temp.

sensor malfunction

B unit indoor inlet pipe temp.

sensor malfunction

A unit indoor ambient temp.

sensor malfunction

B unit indoor ambient temp.

sensor malfunction

A unit modes conflict B unit modes conflict

A unit anti-freezing protection B unit anti-freezing protection

A unit anti-high temp. protection B unit anti-high temp. protection

Outdoor ambient temp. sensor

malfunction

Outdoor tube temp. sensor malfunction

Outdoor air exhaust temp. sensor

malfunction

Communication malfunction with driver (cannot

receive correct data from driver within 10s)

C unit communication malfunction

(cannot receive correct data within 3mins.)

D unit communication malfunction

(cannot receive correct data within 3mins.)

Received communication data proof

test correct will flash once

C unit indoor middle temp. sensor

malfunction

D unit indoor middle temp. sensor

malfunction

C unit indoor outlet pipe temp. sensor

malfunction

D unit indoor outlet pipe temp. sensor

malfunction

C unit indoor inlet pipe temp.

sensor malfunction

D unit indoor inlet pipe temp.

sensor malfunction

C unit indoor ambient temp.

sensor malfunction

D unit indoor ambient temp.

sensor malfunction

C unit modes conflict

D unit modes conflict

C unit anti-freezing protection

C unit anti-high temp. protection

D unit anti-freezing protection

D unit anti-high temp. protection

Four

times

Five

times

Six

times

Seven

times

Eight

times

Nine

times

Four

times

Five

times

Six

times

Seven

times

Eight

times

Nine

times

Blink

once

Blink

once

Blink

once

Twice TwiceTwice

Three

times

Three

times

Three

times

Four

times

Four

times

Four

times

Five

times

Six

times

Seven

times

Eight

times

Five

times

Six

times

Seven

times

Eight

times

Blink

once

Blink

once

Blink

once

TwiceTwice

Three

times

Three

times

Four

times

Four

times

Five

times

Six

times

Seven

times

Eight

times

Five

times

Six

times

Seven

times

Eight

times

Meaning

FAULT INDICATION

MAINTENANCE

Use proper instruments for the refrigerant R410A.

Do not use any refrigerant other than R410A.

Do not clean the unit using mineral oil.

WARRANTY AND TECH. SUPPORT

YMGI warrants to the purchaser/owner(s) that YMGI products be free from defects in material and

workmanship under the normal use and maintenance, with the standard Limited Product Warranty

Policies that comes with the unit or sales package.

YMGI IS NOT RESPONSIBLE FOR

CONTACT FOR FIELD SERVICE OR REPAIR

The following people, in a prioritized sequence, will take care of your request or issue:

1) The original installer; otherwise,

2) Your current service contractor; otherwise,

3) Authorized contractor in YMGI list that is close to you; otherwise,

4) Authorized Distributor in YMGI Distributor list; otherwise,

5) Contractor/Distributor you prefer who is close to you.

CONTACT FOR GENERAL TECHNICAL QUESTIONS OR SUPPORT, IN A SEQUENCE:

1) The original installer; otherwise,

2) The current service contractor; otherwise,

3) The distributor; where the unit is purchased from otherwise,

4) YMGI Technical Support:

Tel: (866) 833-3138*703 Email: [email protected]

* Regular equipment maintenance or field service or field inspection.

* Damage or repairs required as a consequence Customer do-it-yoursely(DIY) installation and/or any other faulty

installation or improper application.

* Failure to start due to voltage conditions, blown fuses, open circuit breakers, or other damages due to the

inadequacy or interruption of electrical service.

* Damage or repairs needed as a consequence of any misapplication, abuse, improper servicing, unauthorized

alteration, or improper operation.

* Damage as a result of floods, winds, fires, lightening, accidents, corrosive atmosphere, or other conditions

beyond the control of YMGI.

* Parts not supplied or designated by YMGI.

* Products installed outside USA or Canada.

* Any damages to person or property of whatever kind, direct or indirect, special or consequential, whether

resulting from use or loss of use of the product.

The original licensed installer or current service contractor should be contacted first of all, since they installed

the unit and/or know more details than anybody else.

They will check the unit and find out the problems with the professional knowledge about HVAC and electric

product installation by using special tools or instrument.

They can contact YMGI technical support for technical help during unit installation or inspection.

Product model and serial numbers needed, which can be found on unit nameplate sticker, so that our

technician can quickly identify the unit, parts and wiring diagrams, among our many products and models.

* Any problems due to improper cooling and heating load calcuation of the room/building the air conditioner/heat

pump system is to be installed. Equipment users can get the calculation schedule from your room/building

architect or your installation or related service HVAC contractor, who should have knowledge and tools to do

these calculation correctly.

* Any problems due to improper sizing and selecting air conditioner/heat pump system. These equipment sizing

and selection work should be conducted by either your room/building architect or your installation or related

service HVAC contractor, who should have knowledge and tools to do these calculation correctly, and get your

approval, before your purchasing these air conditioner or heat pump equipment.

* Any problems due to improper installing of the air conditioner/heat pump system. Installation should be

conducted by currently licensed HVAC technician, following manufacturer installation instructions, all governing

safety codes, with care and professionalism.

* Any problems due to improper operation of the air conditioner/heat pump system. Users shall keep the manual

and look up in the manuals for the correct understanding how the unit will work and how to operate the unit

correctly.

* Any problems due to improper maintenance of the air conditioner/heat pump system. Like a car, regular

maintenance or yearly checking is necessary for the unit to work properly for you, before the season comes. For

example, air filter shall be checked for cleaness from time to time. Remote control batteries shall be checked for

enough power, before judging the unit is not working...

YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !

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YMGI WMMS-36CH Manuel d'utilisateur Page 17

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