44
45
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.
<Table 9--1>
Request
code
Request content
Range
Unit
10
Error history 1 (latest)
Displays error history. ("– –" is displays if no history is present.)
Code
104
Error history (second to last)
Displays error history. ("– –" is displays if no history is present.)
—
105
Error history (third to last)
Displays error history. ("– –" is displays if no history is present.)
—
154
Water circulation pump 1 - Accumulated operating time (after reset)
0 - 9999
10 hours
156
Water circulation pump 2 - Accumulated operating time (after reset)
0 - 9999
10 hours
157
Water circulation pump 3 - Accumulated operating time (after reset)
0 - 9999
10 hours
16
Indoor unit - Dip SW1 setting information
Refer to detail contents described hereinafter.
—
16
Indoor unit - Dip SW2 setting information
Refer to detail contents described hereinafter.
—
164
Indoor unit - Dip SW3 setting information
Refer to detail contents described hereinafter.
—
165
Indoor unit - Dip SW4 setting information
Refer to detail contents described hereinafter.
—
175
Indoor unit - Output signal information
Refer to detail contents described hereinafter.
—
176
Indoor unit - Input signal information
Refer to detail contents described hereinafter.
—
177
Mixing valve opening step
0 - 10
Step
190
Indoor unit - Software version 1st 4 digits
Refer to Note below.
—
191
Indoor unit - Software version last 4 digits
Refer to Note below.
—
40
Water circulation pump 1 - Accumulated operating time reset
—
—
4
Water circulation pump 2 - Accumulated operating time reset
—
—
4
Water circulation pump 3 - Accumulated operating time reset
—
—
504
Indoor unit - Zone 1 room temp. (TH1A)
–39 - 88
°C
505
Indoor unit - Ref. liquid temp. (TH)
–39 - 88
°C
506
Indoor unit - Return water temp. (THW2)
–39 - 88
°C
507
Indoor unit - Zone room temp. (TH1B)
–39 - 88
°C
508
Indoor unit - DHW tank water temp. (THW5)
–39 - 88
°C
509
Indoor unit - Zone 1 flow water temp. (THW6)
–39 - 88
°C
510
Indoor unit - Outside air temp. (TH7)
–39 - 88
°C
511
Indoor unit - Flow water temp. (THW1)
–39 - 88
°C
51
Indoor unit - Zone 1 return water temp. (THW7)
–39 - 88
°C
51
Indoor unit - Zone 2 flow water temp. (THW8)
–39 - 88
°C
514
Indoor unit - Zone 2 return water temp. (THW9)
–39 - 88
°C
515
Indoor unit - Boiler flow water temp. (THWB1)
–40 - 140
°C
516
Indoor unit - Boiler return water temp. (THWB2)
–40 - 140
°C
550
Indoor unit - Error postponement history 1 (latest)
Displays postponement code.
("– –" is displays if no postponement code is present.)
—
551
Indoor unit - Operation control at time of error
0 Standard, 1 Heater, Boiler
—
55
Indoor unit - Operation mode at time of error
0 OFF, 1 DHW, 2 Heating, 3 Cooling 4, Legionella prevention,
5 Freeze protection, 6 Operation stop
—
55
Indoor unit - Output signal information at time of error
Refer to detail contents described hereinafter
—
554
Indoor unit - Input signal information at time of error
Refer to detail contents described hereinafter
—
555
Indoor unit - Zone 1 room temp. (TH1A) at time of error
–39 - 88
°C
556
Indoor unit - Zone room temp. (TH1B) at time of error
–39 - 88
°C
557
Indoor unit - Ref. liquid temp. (TH) at time of error
–39 - 88
°C
558
Indoor unit - Flow water temp. (THW1) at time of error
–39 - 88
°C
559
Indoor unit - Return water temp. (THW2) at time of error
–39 - 88
°C
560
Indoor unit - DHW tank water temp. (THW5) at time of error
–39 - 88
°C
561
Indoor unit - Zone 1 flow water temp. (THW6) at time of error
–39 - 88
°C
56
Indoor unit - Zone 1 return water temp. (THW7) at time of error
–39 - 88
°C
56
Indoor unit - Zone 2 flow water temp. (THW8) at time of error
–39 - 88
°C
564
Indoor unit - Zone 2 return water temp. (THW9) at time of error
–39 - 88
°C
565
Indoor unit - Boiler flow water temp. (THWB1) at time of error
–40 - 140
°C
566
Indoor unit - Boiler return water temp. (THWB2) at time of error
–40 - 140
°C
567
Indoor unit - Failure (P1/P2/L5/L8/LD) thermistor
1 TH1A, TH, THW1, 4 THW, 5 THWB1, 6 THW5,
7 THWB, 8 TH1B, A THW6, B THW7, C THW8, D THW9
—
568
Mixing valve opening stop at time of error
0 - 10
Step
569
Operated Flow switch at time of failure (L9)
1 Flow switch 1, 2 Flow switch 2, 3 Flow switch 3
—
OCH531
Summary of Contents for ecodan EHPT20X- VM2HB
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