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PROBLEM
The LED Dis
play is showing “E5”
POSSIBLE CAUSES
Low Voltag
e Protection
SOLUTIONS
• Unpl
ug for 10 minutes and then
turn on the unit. If “E5” is still dis-
played, contact customer service.
TROUBLESHOOTING (CONT
.)
The LED Dis
play is showing “H8”
The ba
ckup water tank is full
• Drain the water tank
• If the “H8” I still displayed after the
water tank has been emptied, con-
tact customer service.
14
The LED Dis
play 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