Reliability Table; Safety Certification; Fault Analysis And Processing - Delta HEH030BB Specification And Manual

Part no.:
Delta model no.: HEH030BB

4. Reliability Table

Test item
High temperature
Low temperature
High temp. /High humidity
Temperature cycle
Vibration
Package bump
 MTBF
The L10 Fan life is expected to be at least 80,000 hours continuous
operation at 40°Cwith 15 ~ 65%RH .@ label rated voltage.

5. Safety Certification

6. Fault analysis and processing

Fault State
Power on, and the
Heater is no
heating
Power on, Heater
is always at
heating status.
Analysis of the Reasons
• Power failure or no
power.
• The target
temperature is
higher than
Thermostat on temp
• Heater failure.
• The target
temperature is lower
than Thermostat off
temp
• Heater failure
Page 11
Condition
IEC 60068-2-2
IEC 60068-2-1
IEC 60068-2-14 TEST Nb
IEC 60068-2-3
ETSI 300 019-1-4 CLASS 4.1
IEC 60068-2-29
Solutions
• Check the power supply
and the electric circuit.
• Check the ambient
temperature to define
heater
Is failure or not
• Please contact Delta or
authorized Delta service
agent.
• Check the ambient
temperature to define
heater
Is failure or not,