Daikin EEV Series Installation Instructions Manual page 18

LED
LED
Status
Off
Red 1 Fl a s h
Communi ca ti ons
LED
2
Fl a s hes
Off
1 Stea dy
Fl a s h
Green
Recei ve
LED
Ra pi d
Fl a s hi ng
On Sol i d
Indication Possible Causes
None None
 
Communi ca ti ons Communi ca ti ons
 
Fa i l ure Fa i l ure
Out-of-box res et Control power up
 
Lea rn button

depres s ed
No power No power to a i r
 
Communi ca ti ons ha ndl er

error Open fus e

Communi ca ti ons

error
No network Broken/ di s connected
 
found da ta wi re(s )
Ai r ha ndl er i s

i ns ta l l ed a s a non-
communi ca ti ng/
tra di ti ona l s ys tem
Norma l network Control i s "ta l ki ng"
 
tra ffi c on network a s
expected
Da ta 1/Da ta 2 Da ta 1/da ta 2 wi res
 
mi s s -wi re revers ed a t a i r
ha ndl er, thermos ta t,
or ComfortNet
compa ti bl e outdoor
AC/HP
Short between da ta

1/da ta 2 wi res
Short between da ta 1

or da ta 2 wi res a nd R
(24VAC) or C (24VAC
common)
COMMUNICATIONS TROUBLESHOOTING CHART
Corrective Action(s)
None

Depres s Lea rn Button

Veri fy wi ri ng connecti on

None

Check fus es a nd ci rcui t

brea kers ; repl a ce/res et
Repl a ce bl own fus e

Check for s horts i n l ow

vol ta ge wi ri ng i n a i r
ha ndl er/s ys tem
Res et network by

depres s i ng l ea rn button
Check da ta 1/da ta 2

vol ta ges
Check communi ca ti ons

wi ri ng (da ta 1/da ta 2
wi res )
Check wi re connecti ons a t

termi na l bl ock
Veri fy a i r ha ndl er

i ns ta l l a ti on type (non-
communi ca ti ng/
tra di ti ona l or
communi ca ti ng)
Check da ta 1/da ta 2

vol ta ges
None

Check communi ca ti ons

wi ri ng (da ta 1/da ta 2
wi res )
Check wi re connecti ons a t
TM

termi na l bl ock
Check da ta 1/da ta 2

vol ta ges
18
Notes & Cautions
None

Depres s once qui ckl y for

a power-up res et
Depres s a nd hol d for 5

s econds for a n out-of-box
res et
None

Turn power OFF pri or to

repa i r
Turn power OFF pri or to

repa i r
Veri fy wi res a t termi na l

bl ocks a re s ecurel y twi s ted
together pri or to i ns erti ng
i nto termi na l bl ock
Veri fy da ta 1 a nd da ta

vol ta ges a s des cri bed
a bove
None

Turn power OFF pri or to

repa i r
Veri fy wi res a t termi na l

bl ocks a re s ecurel y twi s ted
together pri or to i ns erti ng
i nto termi na l bl ock
Veri fy da ta 1 a nd da ta

vol ta ges a s des cri bed
a bove