Toshiba RAV-SM560AT-E Service Manual page 114

Toshiban lämmitys- ja jäähdytyslaitteiden jälleenmyyjä pääkaupunkiseudulla on Jäähdytinpalvelu RefGroup Oy
2. Reading of CHECK monitor display
<7 segment display>
0 1 2 3
<Display on CHECK monitor>
CHECK code
<FILTER data>
(Example) Case that Filter signal is sent from No.1 and No.16 units under group operation
<CHECK data>
(Example) Room temp.sensor of No.1 is defective.
In No.16, first the heat exchanger sensor has failed.
Next, interconnection wire (serial signal line) of indoor/outdoor is defective.
CHECK UNIT
1
(Example) There is no check data.
CHECK
4 5 6 7 8
CHECK
1 2
UNIT
FILTER
CHECK
1
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9 10 11 12 13
UNIT
FILTER
UNIT
– 114 –
Hexadecimal
notation
Decimal notation
14 15
FILTER sign
Indoor unit No.
UNIT
FILTER
CHECK UNIT
2