LIGHT DESCRIPTION
OVERLOAD DESCRIPTION
RESET METHOD
IF FAULT PERSISTS CHECK
RECIRCULATION FANS - 'G'
CONTACTOR O/LOAD
C3,4,5,6,12,13,14,15. OR
MCB E & F
MANUAL
RECIRCULATION FANS FOR BLOCKAGE/
FAILURE
DEHUMIDIFIER FANS - 'H'
CONTACTOR O/LOAD C9, 18
OR MCB E & F
MANUAL
DEHUMIDIFIER FANS FOR BLOCKAGE,
MOTOR FAILURE, BELT FAILURE, ETC
EXHAUST FANS - 'K'
CONTACTOR O/LOAD C7, 16
OR MCB E & F
MANUAL
EXHAUST FANS FOR BLOCKAGE, FAILURE
AIR HEATERS - 'L'
CONTACTOR O/LOAD C1, 10
OR MCB C & G
MANUAL
AIR HEATERS IN DEHUMIDIFIER FOR
FAILED ELEMENT
DEHUM' COMPRESSOR - 'M'
CONTACTOR O/LOAD C8, 17
OR MCB A & F
MANUAL
DEHUM' COMPRESSOR FOR FAILURE OF
WINDINGS, ETC
HUMIDIFIER - 'N'
CONTACTOR O/LOAD C2, 11
OR MCB D & H
MANUAL
HUMIDIFIER FOR COMPONENT FAILURE,
ETC.
DEHUMIDIFIER HIGH
PRESSURE LIMIT - 'P'
DH334BH MASTER OR
SLAVE
MANUAL
AIR FLOW THROUGH DEHUM' AIR FILTER
BLOCKAGE BELT FAILURE, MOTOR
FAILURE ETC.
DEHUMIDIFIER LOW PRESSURE
LIMIT - 'R'
DH334BH MASTER OR
SLAVE
MANUAL
DEHUM' REFRIGERATION FAULT, LOSS OF
GAS, ETC.
DEHUM' DEFROST - 'S'
DH334BH MASTER OR
SLAVE
AUTO
DEHUM' AIR FLOW REDUCED, FILTERS
BLOCKED, AIR TEMP' IN CHAMBER TOO
LOW.
DEHUMIDIFIER AIR ON TEMP'
HIGH LIMIT - 'T'
DH334BH MASTER OR
SLAVE
AUTO
AIR TEMP' IN CHAMBER TOO HIGH
DEHUMIDIFIER AIR OFF TEMP'
HIGH LIMIT - 'U'
DH334BH MASTER OR
SLAVE
AUTO
AIR TEMP' ABOVE AIR HEATERS IN
DEHUM' TOO GREAT. CHECK ALSO 'P'
ABOVE.
MAINS SUPPLY WARNING - 'V'
DH334BH MASTER OR
SLAVE
TURN ON SUPPLY
SUPPLY
ALL LIGHTS OUT
MCB 'B'
MANUAL
ISOLATOR OFF, CONTROL CIRCUIT
COMPONENT FAILURE, ETC.
7.3 FUNCTION OVERLOAD LIGHTS
These lights indicate that an overload has tripped and a competent electrical
engineer should be called to investigate the cause and reset the trip prior to
calling on the Dantherm Service Department.
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261001 ISSUE 11
