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Model HHC-990
5-2. ERROR CODES AND
WARNINGS (Continued)
“E-41 SYSTEM DATA LOST” • Memory scrambled
“E-46 DATA SAVE FAILED” • Memory scrambled
“E-80 VENT STUCK OR • Vent on rear of module
BAD SWITCH” stuck or faulty vent
activation switch
“PLEASE DE-LIME • Water pan needs
WATER PAN” cleaned
“WATER LEVEL LOW, PLEASE” • Water pan low on water
or empty
303 4-8
• Turn switch to OFF position, then back to
ON; if the display shows “E-41”, the
control should be re-initialized (see Pro-
gramming Section); if “E-41”persists, have
PC board replaced
• Turn switch to OFF position, then back to
ON; if the display shows “E-46”, the
control should be re-initialized (see Pro-
gramming Section); if “E-46”persists, have
PC board replaced
• Check vent on rear of module for obstruc-
tions, or have vent activation switch
replaced
• Follow the weekly cleaning procedures;
this warning will not shut down the heat
or humidity; if “PLEASE DE-LIME
WATER PAN” persists, have PC board
replaced
• Fill water pan, in bottom of unit, to the
maximum water fill mark; this warning
won’t shut down the heat or humidity
Display Cause Panel Board Correction