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Title: Functional description S4965A3025
8. History information
The controller board has a possibility to register fault codes and to write some additional history information in non-volatile
memory:
1.
Error codes (buffer of the 8 last errors). Every error code has it's time information (coupled with total hours);
2.
Total number of burner switching (successfully finished burner sequence with flame on);
3.
Total number of lockouts;
4.
Number of burner "on" hours;
5.
Total number of hours with power supply on.
The history information can be accessed via external communication by using the MicroCom communication protocol.
First issue
Description
Heating & Cooling Appliance Controls
Doc.: S4965A3025E20
Sign.
E.C.N.
M.Matiasko
Honeywell
Date
Rev.
01-Sep-2015
A
Page 18/22
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