TROUBLESHOOTING (CONT.)
PROBLEM | POSSIBLE CAUSES | SOLUTIONS |
The LED Display is showing “E5” | Low Voltage Protection |
The LED Display is showing “H8” | The backup water tank is full |
•Unplug for 10 minutes and then turn on the unit. If “E5” is still dis- played, contact customer service.
•Drain the water tank
•If the “H8” is still displayed after the water tank has been emptied, con- tact customer service.
The LED Display is showing “F1”
The LED Display is showing “F2 ”
The room air temperature sensor malfunction.
The tube temperature sensor malfunction.
•Please inform the maintenance man to maintain
•Please inform the maintenance man to maintain
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