Toshiba MCY-MUG0401HSW-E Service Manual page 73

2. Notice Code Display (7-segment display) on Outdoor Interface P.C. Board
The notice codes detected or issued from the outdoor unit can be confirmed with 7-segment display on the P.C.
board.
(The notice codes detected or issued from the other outdoor unit cannot be displayed.)
(1) Displaying the notice code being issued now
Setting the SW01, SW02, SW03 to 1, 1, 14 respectively displays the notice code being issued from the outdoor
unit on the 7-segment display 7-segment display [n. 1. .∗∗∗] ∗∗∗ : Notice code
Every time SW04 is pushed for 1-second, the display changes and the second notice code or each subsequent
code is displayed (up to fifth code).
[n. 1. ∗∗∗] (First) to [n. 2. ∗∗∗] (Second) to • • • to [n. 5. ∗∗∗] (Fifth) to [n. 1. ∗∗∗] (First)
(2) Displaying the notice code history
Setting the SW01, SW02, SW03 to 1, 2, 14 respectively displays the notice code history being issued from the
outdoor unit on the 7-segmen 7-segment display [h. 1. ∗∗∗] ∗∗∗ : Notice code
Every time SW04 is pushed for 1-second, the display changes and the second notice code or each subsequent
code is displayed (up to tenth code history).
[h. 1. ∗∗∗] (First) to [h. 2. ∗∗∗] (Second) • • • to [h. A. ∗∗∗] (Tenth) to [h. 1. ∗∗∗] (First)
(3) Clearing the notice code history
To clear the notice code history recorded in the outdoor unit, follow the steps below.
Set the SW01, SW02, SW03 to 2, 15, 8 respectively.
7-segment display [n. c ]
When SW04 is pushed and held for 5-second, the notice code histories recorded in the outdoor unit are cleared.
7-segment display [n. c C L]
3. Notice Code List
Notice code No.
Compressor maintenance
timer over
001
Shut-off Valve unit battery
203
dead
Leak Detector life advance
204
display
* Setting the compressor maintenance time to detect the time exceeded
Enter the compressor maintenance time to be detected as time over into Outdoor unit DN Code (O.DN) "007".
Input values ×1,000=Detection time
e.g. When O.DN [007]=20 is set
20 × 1,000=20,000 hours • • • The notice code "001" is detected and issued when the actual operation cumulative
Item
This notice code is detected or issued from the outdoor unit when the
actual operation cumulative time of the compressor exceeds the
compressor maintenance time set.
The compressor maintenance time is not set at the factory. To use the
notice code, set the compressor maintenance time* on O.DN"007".
The battery kit connected to the Shut-off Valve unit has reached the end
of its life.
The Leak Detector will soon reach the end of its life.
time of comp.1 or comp.2 will exceed 20,000 hours.
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