2-29
012 E202
Alarm
Logic
Automatic pumpdown failure
HPT≧2300kPa or DCHS1 or DCHS2≧120℃ during automatic pump-down.
Possible
Causes
Refrigerant overcharged
Trouble
Shooting
Recover refrigerant and charge with specified amount of refrigerant shown on unit name plate.
Controller
Action
E202 Alarm display only
013 E203
Alarm
Logic
SS≦SP-3.0℃ & 5 minutes elapsed during modulated control in chilled mode.
(Over cooling prevention)
Possible
Causes
Cooling load changes rapidly. (Small heat load)
Trouble
Shooting
Check for the cause of sudden reduction of the heat load.
＊Example 1: Set the ventilation outlet from OPEN to CLOSE.
＊Example 2: The door is opened at the low ambient temperature (＜SP).
Controller
Action
E203 Restart after 3 minutes
014 E207
Alarm
Logic
Defrost can not be completed within 90 minutes.
(The condition EOS≧10℃ was not satisfied five defrosting times continuously during 90 minute
counting).
Possible
Causes
＊Excessive frost on the evaporator coil.
＊Setting time of defrosting interval is too long.
Trouble
Shooting
1. Remove rest frost by manual defrost.
Also, check whether defrost completion condition (EOS≧25℃ & RS ≧15℃ ) are reached
within 90 minutes on the LCD screen (※3 Sensor Information in paragraph 2.3).
＊ In case of defrost is completed by above complete condition, consider as normal.
Monitor unit operation.
＊ In case of defrost does not complete due to not reach to complete condition, there may be
low hot-gas temperature, insufficient hot-gas circulation.
Controller
Action
E207 Alarm display only
0219-44LX10F11BEn.indd2-290219-44LX10F11BEn.indd2-29 2014/11/1916:38:012014/11/1916:38:01
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