Checking

 

 

 

 

 

 

Meaning, detecting method

 

 

code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6607

 

No ACK error

 

 

When no ACK signal is detected in 6 continuous times with 30 second interval by

 

 

 

 

 

 

 

transmission side controller, the transmission side detects error.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: The address/attribute shown on remote controller indicates the controller

 

 

 

 

 

 

 

 

 

 

not providing the answer (ACK).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System

Generating

Display of

Detecting

 

 

 

 

 

 

 

 

compo-

 

 

 

 

Cause

Checking method & countermeasure

sition

unit address

trouble

method

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 Outdoor

Remote

No reply

 

1)

 

Poor contact of transmission line of OC or BC.

Shut down OC unit power source, and

 

 

 

unit (OC)

controller

(ACK) at

 

2)

 

Damping of transmission line voltage/signal

make it again.

 

 

 

 

(RC)

OC

 

 

 

by acceptable range of transmission wiring

It will return to normal state at an ac-

 

 

 

 

 

transmis-

 

 

 

exceeded.

 

 

cidental case.

 

 

 

 

 

sion to BC

 

 

 

Farthest

: Less than 200m

 

When normal state can not be re-cov-

 

 

 

 

 

 

 

 

 

Remote controller wiring : Less than 10m

 

ered, check for the 1) ~ 4) of the cause.

 

 

 

 

 

 

 

3)

Erroneous sizing of transmission line (Not

 

 

 

 

 

 

 

 

 

 

 

within the range below).

 

 

 

 

 

 

 

 

 

 

 

Wire diameter

: 1.25mm2 or more

 

 

 

 

 

 

 

 

 

4)

 

Faulty control circuit board of OC.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 BC

Remote

No reply

 

1)

 

When BC controller (master) address is

Shut down both OC and IC power so-

 

 

 

controller

controller

(ACK) at

 

 

 

changed or modified during operation.

urces simultaneously for 5 minutes or

 

 

 

<master>

(RC)

BC <master>

 

2)

 

Faulty or disconnection of transmission wir-

more, and make them again.

system

 

(BC)

 

transmis-

 

 

 

ing of BC controller (master).

It will return to normal state at an acci-

 

 

 

sion to IC

 

3)

 

Slipping off of BC unit connector (CN02).

dental case.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4)

 

Faulty BC controller (master) circuit board.

When normal state can not be re-cov-

refrigerant

 

 

 

 

 

 

 

 

 

 

 

ered, check for the 1) ~ 4) of the cause.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 BC

Remote

No reply

 

1)

 

When BC controller (slave) is changed or

Shut down both OC and master BC

 

 

 

 

 

 

 

controller

controller

(ACK) at

 

 

 

modified during operation.

power sources simultaneously for 5 min-

Single

 

<slave>

(RC)

BC <slave>

 

2)

 

Faulty or disconnection of transmission wir-

utes or more, and make them again.

 

(BS)

 

transmis-

 

 

 

ing of BC controller (slave).

It will return to normal state at an acci-

 

 

 

 

 

 

 

 

 

 

 

 

sion to BC

 

3)

 

Slipping off of BC unit connector (CN02).

dental case.

(1)

 

 

 

 

<master>

 

4)

 

Faulty BC controller (slave) circuit board.

When normal state can not be re-cov-

 

 

 

 

 

 

 

 

 

 

 

ered, check for the 1) ~ 4) of the cause.

 

 

 

 

 

 

 

 

 

 

 

 

4 Indoor

Remote

No reply

 

1)

 

When IC unit address is changed or modified

Shut down both OC and IC power so-

 

 

 

unit (IC)

controller

(ACK) at IC

 

 

 

during operation.

urces simultaneously for 5 minutes or

 

 

 

 

(RC)

transmis-

 

2)

 

Faulty or disconnection of transmission wir-

more, and make them again.

 

 

 

 

 

sion to RC

 

 

 

ing of IC.

 

 

It will return to normal state at an acci-

 

 

 

 

 

 

 

3)

 

Slipping off of IC unit connector (CN2M).

dental case.

 

 

 

 

 

 

 

4)

 

Faulty IC unit controller.

When normal state can not be re-cov-

 

 

 

 

 

 

 

5)

 

Faulty remote controller.

ered, check for the 1) ~ 4) of the cause.

 

 

 

 

 

 

 

 

 

 

 

 

5 Remote

Remote

No reply

 

1)

 

Faulty transmission wiring at IC unit side.

Shut down OC power sources for 5 min-

 

 

 

controller

controller

(ACK) at

 

2)

 

Faulty transmission wiring of RC.

utes or more, and make it again.

 

 

 

(RC)

(RC)

RC

 

3)

 

When remote controller address is changed

It will return to normal state at an acci-

 

 

 

 

 

transmis-

 

 

 

or modified during operation.

dental case.

 

 

 

 

 

sion to IC

 

4)

 

Faulty remote controller.

When normal state can not be re-cov-

 

 

 

 

 

 

 

 

 

 

 

 

ered, check for the 1) ~ 4) of the cause.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

–121–

Page 122 Page 124
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Mitsubishi Electronics PURY-P400 Generating Display Detecting, Shut down OC unit power source, More, and make them again
Page 122 Page 124

PURY-P400, P500YMF-C specifications

Mitsubishi Electronics has long been a leader in the HVAC industry, known for its innovative technology and reliable performance. Among its notable offerings are the P500YMF-C and PURY-P400 models, designed to address the diverse needs of commercial and residential applications.

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In summary, the Mitsubishi P500YMF-C and PURY-P400 represent a fusion of technology, efficiency, and user-centric design. With a range of features aimed at enhancing performance and environmental sustainability, these models are an excellent choice for anyone looking to invest in a reliable and efficient HVAC system. Whether for residential or commercial use, Mitsubishi’s offerings continue to set the standard in comfort and efficiency.
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