Indoor Unit Error Display - Toyotomi Kuro MTN A228DV Service Manual

10.1 Indoor Unit Error Display

Failure phenomenon
EEPROM
parameter error
Indoor and Outdoor
communication error
Zero-crossing
examination error
Indoor fan speed out
of control
Open or short circuit
of outdoor temperature sensor
or outdoor EEPROM
parameter error
Open or short circuit
of room temperature sensor
IPM error
Over voltage or too
low voltage protection
Temperature
protection of compressor top
Outdoor
temperature too low protect
Compressor
position protect
○Light
 Extinguish
DEF
TIM Lamp
Lamp
○
☆
○ ○
○ ☆
× ○
○ ○
× ×
× ○
○ ×
○ ×
○
☆ Flash at 5Hz
AUTO
Lamp
○ ○
☆ ☆
☆
☆
×
○
○
○
×
○
× ☆
RUN Lamp
○
☆
☆
☆
☆
☆
☆
☆
☆
☆
☆
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