Ae" Indoor Unit: Water Circuit Error - Daikin ALTHERMA HT Service Manual
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Also See for ALTHERMA HT:
- User manual (12 pages) ,
- Installer's reference manual (296 pages)
Table of Contents
Troubleshooting by Indication on the Remote Controller
3.4
"AE" Indoor Unit: Water Circuit Error
AE
Remote Control
Display
Subcode 0
All indoor unit models
Applicable
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Blocked waterflow or heat exchanger (waterside).
Supposed
The water circuit has a too high ESP (external static pressure).
Causes
Troubleshooting
136
Be sure to turn off power switch before connect or disconnect
connector, or parts damage may be occured.
Caution
Is
the waterflow or heat
exchanger blocked?
NO
Is the
position of the 3-way
valves OK?
YES
YES
Can be checked
Make sure that:
(see A6 error)
- all valves are open
- water pressure is OK
- all air is out of the system
- the waterfilter is clean
NO
Re-install the 3-way valves
correctly
The water circuit has a too high
ESP compared to the maximum
allowed ESP (see technical
specs). Consider installing an
additional pump with higher
external static pressure in
combination with a balancing
bottle.
ESIE09-08B
(0,3bar
Troubleshooting
Table of Contents
Troubleshooting
