8
Che ck voltag e on termina ls
(X4/3-4) = 24 VDC
Is volta ge ok
Conta ct Jo hnson Controls Denma rk
No
Ye s
Turn off power s upply for Unis ab III
an d disconne ct a ll plug co nnections
exe pt the power connec tion (X20).
Re connect power supply for Unisab III
Does dis play turn on as normal?
Conta ct J ohnson Controls Denmark
No
Ye s
Re connect all plug connections one by
one in attempt to locate the error
If uns ucce ssful, contact
Johnson Controls De nma rk
Fig. 56: Error diagram no. 9
Troubleshooting
Engineering manual - Unisab III 1.10
001930 en 2014.09
295/319