15
7.3.2
7.3.3
7.3.4
it will come back to display, controller runs at setting mode.
Compressor high pressure protection
When detected high pressure protection, E1 will be displayed.
When detected the compressor high pressure protection is released, E1 still display,E1 still display, that need to press
ON/OFF button to clean E1 displaying, and repress ON/OFF button to resume to run.
Compressor low pressure protection
When detected the low pressure switch tripped off, the unit will stop, after 3min it will resume to work automatically;
If E3 displayed, that can not resume automatically, so need to press ON/OFF button to turn off the unit, and repress
ON/OFF button for resuming.
When compressor stopped, detected low pressure switch tripped off, the unit stop, and E3 displayed, that cannot
resume automatically, need to press ON/OFF to turn off the unit, then repress ON/OFF button can resume to work.
Air exhaust pipe high temperature protection
After compressor started up, when detected delivery temp. is too high or air exhaust sensor is short circuit (or open circuit),
according to indoor ambient temp. if achieved the setting temp. the unit will stop.
After compressor stopped for 3min, when delivery temp. is get right, unit resume to run.
In DRY mode, it will run for 6min, and stop running for 4min, after compressor has run for 3min, and had
continuously 3min detected Ttube
＜
- 2
℃
, compressor, outdoor and indoor fan will run in low fan speed, and E2 is
displayed. When Ttube
＞
6
℃
, the compressor had stopped 4 min, and resume to display, the controller will run at
the setting mode.
