Haier 3U19FS1ERA Service Manual - Page 136

>_]]VbTZR\ _^UZdZ_^Vb Query indoor malfunction history: In the state of power on or power off, press [CHECK] button, enter the malfunction-querying mode of all indoor units in the group. Then [CHECK] and [UNIT NO.] will display, and the actual indoor numbers will be displayed in some sequence (unit number is in decimals). At the same time, in the time region, there will be the current malfunction and the latest time malfunction, the displaying format is [XX:YY], in which XX stands for the current malfunction, if normal, it will display "--"; YY stands for the latest time malfunction. The failure code of every unit will display for 3 seconds. After the failure codes of all indoor units in the whole group are displayed, the mode will quit automatically. How to change the function switches? No. Type SW1-1 Select the master or the slave controller SW1-2 Select the controller mode SW1-3 Room temperature display option SW1-4 26o lock SW1-5 Temperature sensor position option SW1-6 Auto restart SW1-7 Factory Seting SW1-8 Factory Setting State of switch ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF Function description set as the slave controller set as the master controller standard controller air handler controller visible room temperature invisible room temperature Unavailable 26o lock available 26o lock Sensor of the controller Sensor in the unit unavailable available default setting default setting Notes 1. Switches or jumper wire must be adjusted when the wire controller is powered off. If the wire controller is powered on, the above operations will be invalid. 2. Function difference between master wire controller and slave one: Contrastive items Function Master wire controller All of functions Slave wire controller Only with below functions: ON/OFF, MODE, FAN SPEED, SET TEMP., SWING