H. “Low battery charge” indicator light “on” indicates the battery is at low charge and must be recharged; when connected to AC power supply, the SLT freezer charges the battery automatically.
●Key definition:
There are 4 keys on the temperature control board. With the “Locked” indicator light on, all the keys are locked to prevent misoperations.
●“Function selection”: In unlock mode, press this key to select the desired function from “Internal temperature setting”,
●“Cancel buzz”: In lock mode, when an alarm occurs, press this key to silence the buzz for one hour, but the alarm by flashing light signals is not cancelled.
●The “△” or “▽” key is for the increase or decrease of values.
Starting and temperature setting
The freezer’s control system is provided with functions of password protection and keyboard locking.
The freezer must be unlocked before use: first press the “△” key, the digits in the internal temperature display area will flash, and then press the “△” or “▽” key to set the value as “06”, and finally press and hold the “Function selection” key for 8s to unlock the freezer.
After installation, the freezer must be left still for over 24 hours before being energized.
1. Initial state upon
Turn on the battery switch at rear upper of compressor compartment, the SLT freezer is energized and enters into the
If actual temperature is higher than temperature setting, delay for one minute, and then the compressor starts running. Meanwhile, if actual temperature is in the range of alarm temperature, light signals flash accompanied with audible buzz.
2.Adjustment of set values 2.1 Unlock
2.2 “Function selection”: in unlock mode, press this key to select the desired function from “Internal temperature setting”,
“Internal temperature setting”: press the “Function selection” key continuously until the “Internal temperature setting” indicator light is on, at which time the display screen will indicate temperature setting and the digits flash, and then change temperature setting by pressing “△” or “▽” to increase or decrease the value, specifically speaking, the value would increase or decrease by 1 if press “△” or “▽” intermittently, while the value would increase or decrease rapidly and continuously by 1 if press and hold
