Table of Contents
ESIE13-02A
1.2.10 The Water Pressure Relief Valve Opens
EHB*CA, EHV*CA
Applicable models
Error detection
method
Error generating
condition
Supposed causes -
corrective action
Possible causes
The expansion vessel is broken.
The water volume in the installation is too high.
Corrective action
Replace the expansion vessel.
Make sure that the water volume in the installa-
tion is under the maximum allowed value (refer
to the Specifications in databook).
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Troubleshooting
Part 4 Troubleshooting
4
3
4
4
5
Chapters
Table of Contents
Troubleshooting
