Haier AD96NAHAEA, Руководство по обслуживанию, Страница: 67 / 90

Commercial Air Conditioner
Model: AU96NATAEA
AD96NAHAEA, AP96NACAEA
67
start
display E6
check if the wires of
pressure switch is
proper,and firm
analyse the reason
of high pressure
and solve it
fix the wires of
pressure switch
again
no
yes
9) E8 – communication failure between operation panel and indoor unit
sta rt
if th e w ired co n tro ller
a nd in d oo r P C B a re
com p a tible
if te rm in a ls A ,B ,C ,D on
w ire d co n tro lle r are
co rre spo n din g w ith
te rm ina ls o f in do or P C B
if te rm in a ls A ,B ,C ,D of
w ire d co n tro ller a re in
op e n circu it or
co n ne cte d w ell
if te rm in a ls A ,B (o r
C ,D )o f w ired co n trolle r
are sh o rt circuit
ch a ng e w ired
co n tro ller
w ire co rre ctly
w ire co rre ctly
w ire co rre ctly
yes
ye s
ye s
yes
n o
n o
n o

10) E9 – communication failure between indoor and outdoor