Mitsubishi Electric EHST20C-VM2C.UK Service Manual page 37

<Table 9-4-1>
Request
code
103 Error history 1 (latest)
104 Error history 2 (second to last)
105 Error history 3 (third to last)
154 Water circulation pump 1 - Accumulated operating time (after reset)
156 Water circulation pump 2 - Accumulated operating time (after reset)
157 Water circulation pump 3 - Accumulated operating time (after reset)
158 Water circulation pump 4 - Accumulated operating time (after reset)
162 Indoor unit - DIP SW1 setting information
163 Indoor unit - DIP SW2 setting information
164 Indoor unit - DIP SW3 setting information
165 Indoor unit - DIP SW4 setting information
166 Indoor unit - DIP SW5 setting information
175 Indoor unit - Output signal information
176 Indoor unit - Input signal information
177 Mixing valve opening step
190 Indoor unit - Software version 1st 4 digits
191 Indoor unit - Software version last 4 digits
340 Water circulation pump 1 - Accumulated operating time reset
342 Water circulation pump 2 - Accumulated operating time reset
343 Water circulation pump 3 - Accumulated operating time reset
344 Water circulation pump 4 - Accumulated operating time reset
504 Indoor unit - Zone 1 room temp. (TH1A)
505 Indoor unit - Ref. liquid temp. (TH2)
506 Indoor unit - Return water temp. (THW2)
507 Indoor unit - Zone 2 room temp. (TH1B)
508 Indoor unit - DHW tank water temp. (THW5)
509 Indoor unit - Zone 1 flow water temp. (THW6)
510 Indoor unit - Outside air temp. (TH7)
511 Indoor unit - Flow water temp. (THW1)
512 Indoor unit - Zone 1 return water temp. (THW7)
513 Indoor unit - Zone 2 flow water temp. (THW8)
514 Indoor unit - Zone 2 return water temp. (THW9)
515 Indoor unit - Boiler flow water temp. (THWB1)
516 Indoor unit - Boiler return water temp. (THWB2)
540 Flow rate of the primary circuit
550 Indoor unit - Error postponement history 1 (latest)
551 Indoor unit - Operation control at time of error
Indoor unit - Operation mode at time of error
552
553 Indoor unit - Output signal information at time of error
554 Indoor unit - Input signal information at time of error
555 Indoor unit - Zone 1 room temp. (TH1A) at time of error
556 Indoor unit - Zone 2 room temp. (TH1B) at time of error
557 Indoor unit - Ref. liquid temp. (TH2) at time of error
558 Indoor unit - Flow water temp. (THW1) at time of error
559 Indoor unit - Return water temp. (THW2) at time of error
560 Indoor unit - DHW tank water temp. (THW5) at time of error
561 Indoor unit - Zone 1 flow water temp. (THW6) at time of error
562 Indoor unit - Zone 1 return water temp. (THW7) at time of error
563 Indoor unit - Zone 2 flow water temp. (THW8) at time of error
564 Indoor unit - Zone 2 return water temp. (THW9) at time of error
565 Indoor unit - Boiler flow water temp. (THWB1) at time of error
566 Indoor unit - Boiler return water temp. (THWB2) at time of error
Indoor unit - Failure (P1/P2/L5/L8/Ld) thermistor
567
568 Mixing valve opening step at time of error
Operated Flow switch at time of failure (L9)
569
571 Flow rate at time of error
Note
Refer to outdoor unit service manual for request code 0 to 102, 106 to 149.
Request codes 103 to 105 indicate error histories of both indoor and outdoor units.
As only four digits can be displayed at one time the software version number is displayed in two halves.
Enter code 190 to see the first four digits and code 191 to see the last four digits.
For example software version No. 5.01 A000, when code 190 is entered 0501 is displayed, when code 191 is entered A000 is displayed.
OCH570
Request content
37
Range
Displays error history. ("– –" is displays if no history is present.)
Displays error history. ("– –" is displays if no history is present.)
Displays error history. ("– –" is displays if no history is present.)
0 - 9999
0 - 9999
0 - 9999
0 - 9999
Refer to detail contents described hereinafter.
Refer to detail contents described hereinafter.
Refer to detail contents described hereinafter.
Refer to detail contents described hereinafter.
Refer to detail contents described hereinafter.
Refer to detail contents described hereinafter.
Refer to detail contents described hereinafter.
0 - 10
Refer to Note below.
Refer to Note below.
—
—
—
—
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–40 - 140
–40 - 140
0 - 100
Displays postponement code.
("– –" is displays if no postponement code is present.)
0 Standard, 1 Heater, 2 Boiler
0 OFF, 1 DHW, 2 Heating, 3 Cooling, 4 Legionella prevention,
5 Freeze protection, 6 Operation stop, 7 Defrost
Refer to detail contents described hereinafter
Refer to detail contents described hereinafter
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–39 - 88
–40 - 140
–40 - 140
0 Failure thermistor is none, 1 TH1A, 2 TH2, 3 THW1, 4 THW2,
5 THWB1, 6 THW5, 7 THWB2, 8 TH1B, A THW6, B THW7,
C THW8, D THW9
0 - 10
0 No operated flow switch, 1 Flow switch 1, 2 Flow switch 2,
3 Flow switch 3
0 - 100
Unit
Code
—
—
10 hours
10 hours
10 hours
10 hours
—
—
—
—
—
—
—
Step
—
—
—
—
—
—
°C
°C
°C
°C
°C
°C
°C
°C
°C
°C
°C
°C
°C
L/min.
—
—
—
—
—
°C
°C
°C
°C
°C
°C
°C
°C
°C
°C
°C
°C
—
Step
—
L/min.