AC–22 AIR CONDITIONING SYSTEM – TROUBLESHOOTING R/F SW N09011 Temperature Set Dial OFF SW N09012 ACTUATOR CHECK 1. After entering the sensor check mode, press the R/F switch. 2. Turn the temperature set dial and change it to step operation. Each time the dial is turned, the actuator operation changes by 1 step. HINT: • Check the change of actuator operation visually and by hand. • To cancel the check mode, press the OFF switch. Step No. | Set Temperature °C (°F) | Conditions | | Blower Motor | Air Flow vent | Air Inlet damper | Magnetic clutch | Air mix damper 1 | Below 20 (68) | OFF | (FACE) | (RECIRC) | OFF | Cool side (0% open) 2 | 20~23 (68~73) | LO | (BI-LEVEL) | (R/F) | ON | Cool/Hot (50% open) 3 | 23~27 (74~80) | M2 | (FOOT) | (FRESH) | † | Hot side (100% open) 4 | 27~30 (81~86) | † | (FOOT/DEF) | † | † | † 5 | Over 30 (87) | HI | (DEF) | † | † | †