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Service Manual
Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units (01.2023)
Number of Presses Display Remark
38 EXV open angle for A indoor unit
Actual data/4. If the value is higher than 99, the digital display shows
single and double digits. For example, if the digital display
shows “2.0", the EXV open angle is 120×4=480p.
39 EXV open angle for B indoor unit
40 EXV open angle for C indoor unit
41 EXV open angle for D indoor unit
42 EXV open angle for E indoor unit
43 MVI valve open angle
44 EVI valve open angle
45 Frequency limit symbol
Bit7 Reserve
The display value
is a hexidecimal number.
For example, the digital
display show 2A, then Bit5=1,
Bit3=1, and Bit1=1. This
means that a frequency limit
may be caused by IPM, T3,
or the current.
Bit6 Frequency limit caused by voltage
Bit5 Frequency limit caused by current
Bit4 Reserve
Bit3 Frequency limit caused by IPM
Bit2 Frequency limit caused by T5
Bit1 Frequency limit caused by T3
Bit0 Frequency limit caused by T2
46 T2B fault
"00:No fault,01:T2B-A fault, ,02:T2B-B fault ,03:T2B-C fault,04:T2B-D fault,
05:T2B-E fault, 06:T2B-F fault(The display priority is A-B-C-D-E-F)"
47 Average value of T2
(Sum T2 value of all indoor units)/(number of indoor units in
good connection)( The heating is the average value of T2, and
the cooling is the average value of T2B)
48 Outdoor unit fan motor state
Off: 0, Super ultra high speed:1, Super high speed:2, High speed:3,
Med speed: 4, Low speed: 5, Breeze:6, Super breeze: 7
49 Reason of stop
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