Doosan DX225LC, Manual

Page: 106 / 136

Electrical System
Page 105
SP000935
Self-diagnostics
How to start self-diagnostics
FG001367
Starter Switch ON
Set temp to 25 C Set temp to 77 F
Press the SEL switch more than 3 times in
5 secs while pressing the A/C switch
Auto diagnosis starts after every graphic
in LCD displays twice every 0.5 sec.
A code concerned blinks in the cycle of 0.5-sec ON
and 0.5-sec OFF. In case of two or more errors, codes
concerned blink twice at a time.
For normal, E0 lights; for error, the first
error code is indicated.
For 2 or more error, error codes are indicated
upstreams/downstreams if the temp control switch is
set to up/down. (For normal condition, only EO lights.)
Press the SEL switch more than 3 times in
5 secs while pressing the A/C switch.
Return to position before auto diagnosis
starts.
Return to default status if no switch
operated for 30 secs in diagnosis mode.
Figure 89