Error Codes: Overview; 16 Glossary - Daikin Altherma EHYKOMB33AA Installations- Und Bedienungsanleitung

15.4.1

Error codes: Overview

Error codes of the gas boiler
The controller on the gas boiler detects faults and indicates them on
the display by error codes.
If the LED is flashing, the controller has detected a problem. Once
the problem is rectified, the controller can be restarted by pressing
the button.
Following table shows a list of error codes and the possible
solutions.
Error Cause Possible solution
code
10, 11, Sensor fault S1 ▪ Check wiring
12, 13,
▪ Replace S1
14
20, 21, Sensor fault S2 ▪ Check wiring
22, 23,
▪ Replace S2
24
0 Sensor fault after Replace S1 and/or S2
self-check
1 Temperature too ▪ Air in installation
high
▪ Pump is NOT running
▪ Insufficient flow in installation
▪ Radiators are closed
▪ Pump setting is too low
2 S1 and S2 ▪ Check cable set
interchanged
▪ Replace S1 and S2
4 No flame signal ▪ Gas tap is closed
▪ No or incorrect ignition gap
▪ Gas supply pressure is too low or
▪ Gas valve or ignition unit is NOT
5 Poor flame signal ▪ Condensate drain blocked
▪ Check adjustment of gas valve
6 Flame detection ▪ Replace ignition cable and spark
fault
▪ Replace ignition unit
▪ Replace boiler controller
8 Incorrect fan speed ▪ Fan catching on casing
▪ Wiring between fan and casing
▪ Check wiring for poor wire contact
▪ Replace fan
29, 30 Gas valve relay Replace boiler controller
fault
EHYKOMB33AA
Daikin Altherma hybrid heat pump – gas boiler module
4P353067-1L – 2022.09
fails
powered
plug cap
16 Glossary
Dealer
Sales distributor for the product.
Authorised installer
Technical skilled person who is qualified to install the
product.
User
Person who is owner of the product and/or operates the
product.
Applicable legislation
All international, European, national and local directives,
laws, regulations and/or codes that are relevant and
applicable for a certain product or domain.
Service company
Qualified company which can perform or coordinate the
required service to the product.
Installation manual
Instruction manual specified for a certain product or
application, explaining how to install, configure and maintain
it.
Operation manual
Instruction manual specified for a certain product or
application, explaining how to operate it.
Maintenance instructions
Instruction manual specified for a certain product or
application, which explains (if relevant) how to install,
configure, operate and/or
application.
Accessories
Labels, manuals, information sheets and equipment that are
delivered with the product and that need to be installed
according to the instructions
documentation.
Optional equipment
Equipment made or approved by Daikin that can be
combined with the product according to the instructions in
the accompanying documentation.
Field supply
Equipment NOT made by Daikin that can be combined with
the product according
accompanying documentation.

16 Glossary

maintain the product or
in the accompanying
to the instructions in the
Installation and operation manual
39