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6. When Heating does not operate
Operate “Heating Mode( )” by setting the desired temperature of the
remote control is higher than one of the indoor temperature by 2°C at
least.
In heating Mode, the indoor fan operates in case the pipe temperature
is higher than 28°C.
Check the connector of intake and pipe sensor(thermistors)
• Check the related circuit of R02H(12.1K), R01H(1.0K), R04H(6.2K),
R03H(1.0K).
• Check the indoor room temperature is disconnected or not (about
10K
Ω
/at 25°C).
• Check the indoor pipe temperature is disconnected or not (about
5K
Ω
/at 25°C).
Turn ON Main Power
Check if connection line (Indoor/Outdoor) is complied with Wiring Diagram.
Check Outdoor Unit
(PCB Ass'y)
Correct connection line
Good connection
Bad connection
Summary of Contents for L2-C243AL1
Page 52: ... 52 Electronic Control Device 1 Indoor MAIN P C B ASM ...
Page 53: ... 53 2 Outdoor MAIN P C B ASM ...
Page 54: ... 54 3 Display Ass y ...
Page 55: ... 55 Schematic Diagram 1 Indoor ...
Page 56: ... 56 2 Outdoor ...