Service Manual
29
When there is a malfunction during operation, error will be displayed
at the controller
. When several
malfunctions occur at the same time, these error codes will be displayed
as a sequence that can be
scrolled through.
When there is a malfunction, please turn off the unit and
call the installing contractor or local service
professional.
See below for an example of a displayed error (E1-high pressure protection).
Figure 2-6-1
9
CENTRAL CONTROLLER
9
.1 Smart Zone Controller
9
.1.1 Function
The smart zone controller can directly control up to 16 sets of indoor units in a control network and is
available to check the running status of any unit through the LCD, including running mode, timer, fan
speed, centralized control
,
etc.
PE
Temperature excursion protection
PL
Low voltage protection of bus bar
PH
High voltage protection of bus bar
PU
Charging circuit malfunction
PP
Abnormity of input voltage
ee
Malfunction of outdoor drive memory chip
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