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ESIE13-02
1.2
Overview of General Problems
General guidelines
Before starting the troubleshooting procedure, carry out a thorough visual inspection of the unit and
look for obvious defects such as loose connections or defective wiring.
Before contacting your local Daikin dealer, read this chapter carefully, it will save you time and money.
Warning! When carrying out an inspection on the switch box of the unit, always make sure that the
main switch of the unit is switched off.
When a safety device was activated, stop the unit and find out why the safety device was activated
before resetting it. Under no circumstances safety devices may be bridged or changed to a value other
than the factory setting. If the cause of the problem cannot be found, call your local Daikin dealer.
If the pressure relief valve is not working correctly and is to be replaced, always reconnect the flexible
hose attached to the pressure relief valve, to avoid water dripping out of the unit!
General symptoms
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
1.2.6
1.2.7
1.2.8
1.2.9
1.2.10
1.2.11
1.2.12
1.2.13
1.2.14
1.2.15
Error codes
When a safety device is activated, the user interface will display the t-icon on the home screen. When
pushing the t-button, the error code and a brief description of the error will be shown.
A short list of all errors and corrective actions can be found in the installer reference guide. More
detailed information on how to solve these errors can be found in the next pages.
Equipment Condition
or Cooling as Expected
(Space Heating or Domestic Heating)
LWT, Tank, Ext RT)
peratures
tures
Slow
55
Troubleshooting
Remedy
Part 4 - Troubleshooting
4
3
4
4
5
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Table of Contents
Troubleshooting
