Takagi T-K1S Installation Manual And Owner's Manual page 20

Error Codes
All Takagi units are self diagnostic for errors. If
there is a problem with the installation or the unit, it
will give a signal, through a flashing light on the
circuit plate, to communicate the source of the
problem. If the unit has a TK-RE01 remote control
installed, this will give also give a numerical error
code. Consult the following chart for the meaning
of an error code:
Computer Board
Blinking One Time
Blinking Two Times
Blinking Three Times
Blinking Four Times
For technical support contact Takagi toll free at (888) 882-5244, or check
TK-RE01
our website at www.takagi-usa.com.
TK-RE01
03
70
71
31
32
11
12
55
51
72
61
21
74
19
Check Point
Wrong Gas
Computer Board
Solenoid Gas Valve
Output Thermistor
Input Thermistor
Hi-limit, Igniter
Flame Sensor, Hi-limit
Main Gas Valve
Proportional Gas Valve
Abnormal Burning
Fan
Pressure switch
Remote Controller