Mitsubishi Electric PRH-P8MYA Technical & Service Manual page 77

Air-cooled rooftop packaged air conditioners
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3. (1)
ON
CHECK
CLOCK
ßC
STAND BY
INDOOR UNIT
ERROR CODE
DEFROST
ADDRESS NO
b)
ON
CHECK
CLOCK
ßC
STAND BY
INDOOR UNIT
DEFROST
ADDRESS NO
(2)
ON
CHECK
CLOCK
ßC
STAND BY
INDOOR UNIT
ERROR CODE
DEFROST
ADDRESS NO
(3)
ON
CHECK
CLOCK
ßC
STAND BY
INDOOR UNIT
ERROR CODE
DEFROST
ADDRESS NO
4.
ON
CHECK
CLOCK
ßC
STAND BY
INDOOR UNIT
ERROR CODE
DEFROST
ADDRESS NO
ON
CHECK
CLOCK
ßC
STAND BY
INDOOR UNIT
DEFROST
ADDRESS NO
5.
ON
CHECK
CLOCK
ßC
STAND BY
INDOOR UNIT
DEFROST
ADDRESS NO
ON
CHECK
CLOCK
ßC
STAND BY
INDOOR UNIT
ERROR CODE
DEFROST
ADDRESS NO
1Hr.
OFF
ßC
FILTER
CHECK MODE
FUNCTION
c)
a)
1Hr.
OFF
ßC
FILTER
CHECK MODE
FUNCTION
d)
1Hr.
OFF
ßC
FILTER
CHECK MODE
FUNCTION
1Hr.
OFF
ßC
FILTER
CHECK MODE
FUNCTION
1Hr.
OFF
ßC
FILTER
CHECK MODE
FUNCTION
a)
1Hr.
OFF
ßC
FILTER
CHECK MODE
FUNCTION
1Hr.
OFF
ßC
FILTER
CHECK MODE
FUNCTION
1Hr.
OFF
ßC
FILTER
CHECK MODE
FUNCTION
3. Self-diagnosis result display
See the above chart for details of error code contents.
(1) When there is an error history
a) Alternating display
b) Error code
c) Attribute of error search
d) Unit number
(2) When there is no error history
(3) When the address does not exist
4. Reset error history
Display the error history at the self-diagnosis result display screen
3.
The address for self-diagnosis will flash when the
button is pressed twice within three seconds.
The diagram on the left will be displayed when error history has
been reset.
Note that the error content will be redisplayed if error history
resetting is unsuccessful.
a) Alternating display
5. Canceling self-diagnosis
The following two methods can be used to cancel self-diagnosis.
Press the CHECK button twice within three seconds to cancel
self-diagnosis. The display screen will return to the status before
self-diagnosis.
Press the 1 ON/OFF button to cancel self-
diagnosis. The unit will stop. (This operation is ineffectual when
operation is prohibited.)
- 74 -
CLOCK
ON
OFF

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