Panasonic 2WAY Multi Technical & Service Manual page 127

Troubleshooting. gas heat pump, air conditioner.
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Error Display (Level 0)
Conditions : Error being issued
Display
: TEST/WARNING LED fl ashing. Warning contents displayed on 7-segment LED.
"When a multiple number of error occur, each error will be displayed in approx. 1-second cycles,
in the sequence of: Outdoor error → Outdoor warning → Indoor error."
Example: "  ": Outdoor unit fault
Forced Setting Activated Display (Level 0)
Conditions : Forced setting effective.
Display
: TEST/WARNING LED fl ashing.
(Under these conditions during the normal display, pressing the SET (S007) key for 1 second
cancels all forced settings.)
Startup Wait Display (Level 0)
Displayed when waiting for startup.
Display examples







Total OFF Display (Level 0)
Setting the STOP switch (S001) to "STOP" activates total off.
The normal display at this time is "PAuSE"
examples


System OFF Display (Level 0)
The following display appears during stopped system after system stop command is received.
However, this does not apply during automatic addressing.
When the system is off, all key operations are invalidated other than the Version Display.

Version Display (Level 0)
During a simultaneous long press of the SET (S007) key and DOWN key (S006), the following display appears
every 1 second.



Other displays
During a simultaneous long press of the SET (S007) key and UP (S005) key, the following display appears
every 1 second.
Display contents
Communication collision rate
and usage rate (item names)
(Value)
Caution:
Items other than those described above may appear on this display, but they are not related to this model.
High compressor outlet temperature
Complete gas depletion check underway
High coolant temperature
Low coolant level
During coolant circuitry check
Depending on unequalized pressure
Low engine oil level
During total OFF display (when STOP switch input is set to "STOP").
*In the case of W MULTI, this display appears after 3 minutes.
Main microcomputer version
DC microcomputer version
Option version
Display
examples
*This is only an item name (collision rate and usage rate)


Communication collision rate= 7/ communication usage rate= 12
V–8
Remarks

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