Daikin DM80SE, Service Instructions Manual

SYSTEM OPERATION

11

display will show the next available item in the main menu.

While in the main menu, press the “option” switch to scroll 

through available options corresponding to the main menu 

item displayed. In the option menu, the default option will 

be displayed first. If the default option has been changed 

to another option, the current option selection will be 

displayed first. 

The option menu will display both adjustable & non-

adjustable options. When an adjustable option is 

displayed, the display will flash continuously until a switch 

is pressed. If a non-adjustable option is displayed (such 

as Code Release Number) the display will not flash.

While navigating the option menus, press the menu switch 

to select the displayed option. The displayed selection will 

stop flashing indicating the selection was made. Press the 

menu button again to finalize the selection and return to 

the corresponding main menu. 

In the option menu, after the last option has been 

displayed, the display will revert to the corresponding 

main menu & display the default (or selected) option.

If switches are inactive for 30 seconds the display will 

revert to the status menu. 

Control Board Main Menu

Description

Main Menu 

LED 

Display

Option Menu

LED Display

Default

Idle - system awaiting 

input

i dl

Display Active Alarm

Er r

Display Last 6 Faults

L6F

Code Release Number

Cr

None

Shared Data Revision

Sr

None

Reset to Factory 

Default

r Fd

Yes / No

Outdoor Setting Menu

OdS

AC1 / AC2 / HP1 / 

HP2 / OFF

OFF

Blower Speed for 

Continuous Fan Mode

FSd

F01 - F09

F01

Blower Speed for 1st 

Stage Compressor 

Mode

AC1

F01 - F09 

Model 

specific

Blower Speed for 2nd 

Stage Compressor 

Mode

AC2

F01 - F09

Model 

specific

Cooling Fan Off Delay

CFd

0 - 120 seconds 

65 

seconds

Cooling Fan On Delay

Cnd

0 - 35 seconds

7 

seconds

Blower Speed for Gas 

Heat Mode

gAF

Allowable speeds Fxx

Model 

specific

Gas Heat Off Delay

gFd

30 - 120 seconds

90 

seconds

Gas Heat On Delay - 

locked

gnd

None

30 

seconds

Blower Speed for 1st 

Stage HP Heat Mode

HP1

F01 - F09

Model 

specific

Blower Speed for 2nd 

Stage HP Heat Mode

HP2

F01 - F09

Model 

specific

HP Heat Off Delay

HFd

30 - 120 seconds

60 

seconds

HP Heat On Delay

Hnd

5 - 30 seconds

5 

seconds

See Troubleshooting 

chart for alarm code 

definition

Control Board Status Menu

LED 

Display

Description of System Status

888

All segments illuminated = 

control powering up

I DL

Idle

FAn

Constant Fan

1AC

Low Stage Cooling

2AC

High Stage Cooling

1AC

Compressor Heat, Low Stage 

2AC

Compressor Heat, High Stage 

gH

Gas Heat

1HP

 Low Stage HP

2HP

High Stage HP

dFt

Defrost

Continuous Fan Mode Speed Selection

To change the main blower speed in circulation mode, see 

the following steps:

1.  Press  menu  button  until  LED  displays  “FSd”.  Press 

option button and LED will display the currently selected 

speed number as Fxx (xx: Blower speed number from 

1 to 9).

2.  The  control  shall  cycle  through  available  fan  speeds 

every time the option button is pressed. All 9 speeds 

are available for circulation. 

3.  When the menu button is pressed, the current displayed 

speed shall stop flashing. Press the menu button again 

to select the option and the control shall immediately 

apply that blower setting and return to the corresponding 

main menu.

THERMOSTAT CALL AVAILABLE SPEEDS 

(FSd menu)

G

F01
F02
F03
F04
F05
F06
F07
F08
F09

Circulation Speed Table

Cooling Mode Speed Selection

To change the main blower speed in COOLING mode, 

follow the following steps: