Haier GE NS18HM, Service Manual, Page: 45 / 86

Page 45
31-5000751 Rev. 0
Idle mode – System is energized with no demand – Decimal flashes at 1 Hertz > 0.5 second ON. 0.5 second OFF
Display Symbol
or Character
Display Fan Test and Display String Option
Displayed during
start-up or power
recycling
Display string shows outdoor control firmware version
1 _ 6
> pause >
A C
or
H P
unit > pause > unit capacity in BTUs > pause
> unit code. If 3 horizontal bars are displayed during any sequence of this display string, it indicates that the specific parameter is
not configured.
.
Idle mode — decimal flashes at 1 Hertz > 0.5 second ON, 0.5 second OFF
C
Indicates cooling Capacity. C1 or C2 if conventional 24VAC thermostat or demand percentage.
F
Indicates you are in the outdoor fan test
mode
Control must be in Idle mode : To enter fan test option -
F
mode, push and hold
button until solid – appears, release button. Display begins flashing. Within 10
seconds, push and hold button until required symbol
F
displays, release button.
Display begins flashing. Within 10 seconds, push and hold button until display
stops flashing, release button. Control will initiate outdoor fan operation. Outdoor
fan cycles ON for 10 minutes at the highest speed. To exit test – Push and hold
button until three horizontal bars display. Release button, outdoor fan cycles OFF .
A
A
in the display string represents the
ambient temperature in °F at the sensor on
the outdoor unit.
Control can be in Idle or demand mode : To enter display configuration option
-
A
mode, push and hold button until solid – appears, release button. Display
begins flashing. Within 10 seconds, push and hold button until required symbol
A
displays, release button. Display begins flashing. Within 10 seconds, push and
hold button until display stops flashing, release button. Display shows error (
E
)
code(s) and ambient (
A
), outdoor coil (
c
) and liquid (
L
) temperatures in Fahrenheit.
NOTE -
If button is not pushed in the 10-second time period, the control exits the
test mode. If this occurs, test mode must be repeated.
Table 14.
Error Code Recall Mode (NOTE – control must be in idle mode)
E
To enter error code recall mode, push and hold button until solid
E
appears, then release button. Control displays up to 10 error codes
stored in memory. If
E 0 0 0 0
is displayed, there are no stored error codes.
≡
To exit error code recall mode, push and hold button until solid three horizontal bars appear, then release button. Note - Error codes are
not cleared.
c
To clear error codes stored in memory, continue to hold button while the 3 horizontal bars are displayed. Release button when solid
c
is
displayed.
c
Push and hold for one (1) second, release button. 7-Segment displays 0 0 0 0 and exits error recall mode.
Table 15.