Bosch IDS 2.0 - Electronic Expansion Valve (EEV)

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Bosch IDS 2.0 Service Manual
07.2021 | Bosch Thermotechnology Corp.
Data subject to change
13.3 Electronic Expansion Valve (EEV)
Figure 40
Is there a fast
“clicking” noise
when heating mode
begins?
No
Ye s
Is the voltage
between Red wire
& GND =12V(DC)
No
Replace
control board
Ye s
Restart system
Restart unit, give a call
for heat
Is the voltage
between
White
/Yellow/Orange
/Blue
&
GND=12V(DC)
No
Replace EEV
Are there signs of
abnormal high/low
pressure?
Follow section 13.1 to
check for abnormal
pressure
No
Ye s
No service required
GND