13 Glossary
Installation and operation manual
37
EHYKOMB33A
Daikin Altherma hybrid heat pump – gas boiler module
4P353067-1H – 2018.10
Error
code
Cause Possible solution
10, 11,
12, 13,
14
Sensor fault S1 ▪ Check wiring
▪ Replace S1
20, 21,
22, 23,
24
Sensor fault S2 ▪ Check wiring
▪ Replace S2
0 Sensor fault after
self-check
Replace S1 and/or S2
1 Temperature too
high
▪ Air in installation
▪ Pump is NOT running
▪ Insufficient flow in installation
▪ Radiators are closed
▪ Pump setting is too low
2 S1 and S2
interchanged
▪ Check cable set
▪ Replace S1 and S2
4 No flame signal ▪ Gas tap is closed
▪ No or incorrect ignition gap
▪ Gas supply pressure is too low or
fails
▪ Gas valve or ignition unit is NOT
powered
5 Poor flame signal ▪ Condensate drain blocked
▪ Check adjustment of gas valve
6 Flame detection
fault
▪ Replace ignition cable and spark
plug cap
▪ 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
fault
Replace boiler controller
13 Glossary
Dealer
Sales distributor for the product.
Authorized 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 maintain the product 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 in the accompanying
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 to the instructions in the
accompanying documentation.
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