Mitsubishi Electric PUHZ-SW50VHA Service Manual download pdf (Page 50)

23456

°C

0 – 255

(When the temperature is 100°C or more, hundreds

digit, tens digit and ones digit are displayed by

turns.)

0.1 A

0 – 500

(When it is 100 or more, hundreds digit, tens digit

and ones digit are displayed by turns.)

Pulse

0 – 480

(When it is 100 pulse or more, hundreds digit, tens

digit and ones digit are displayed by turns.)

23456

SW2 setting

23456

Unit

°C

23456

17 – 30

°C

-39 – 88

(When the temperature is 0°C or less, “–” and

temperature are displayed by turns.)

-40 – 200

(When the temperature is 0°C or less, “–” and

temperature are displayed by turns.)

(When the thermistor detects 100°C or more,

hundreds digit, tens digit and ones digit are displayed

by turns.)

-39 – 88

(When the temperature is 0°C or less, “–” and

temperature are displayed by turns.)

(No error)

Overvoltage error

Undervoltage error

Input current sensor error

Abnormal power synchronous signal

PFC error

(Overvoltage / Undervoltage / Overcurrent)

PFC/ IGBT error

(Undervoltage)

* Display examples for multiple errors:

Overvoltage (01) + Undervoltage (02) = 03

Undervoltage (02) + Power-sync signal error (08) = 0A

Input current sensor error (04) + PFC error (10) = 14

Description Display

U9 error detail history (latest)

Code

display

23456

The black square ( ) indicates a switch position.

Display detail

Explanation for display

Discharge superheat SHd

0 – 255

Cooling = TH4 - T63HS

Heating = TH4 - T63HS

Input current of outdoor unit

LEV-B opening pulse

Indoor setting temperature

17 – 30

Pressure saturation temperature (T

63HS)

-39 – 88

Outdoor heatsink temperature (TH8)

-40 – 200

Outdoor ambient temperature (TH7)

-39 – 88

2 cycles

Number of defrost cycles

0 – FFFE

0 – FFFE (in hexadecimal notation)

(When more than FF in hex (255 in decimal), the

number is displayed in order of 16

's and 16

's, and

's and 16

's places.

(Example) When 5000 cycles;

0.5 secs. 0.5 secs. 2 secs.

OCH525

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 59 60

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Mitsubishi Electric PUHZ-SW50VHA Service Manual Page 50

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