Helmer iB111 (Version A) - Alarm Activation Problems

360077-1/O 122
Horizon Series™ - Laboratory, Pharmacy, and International Blood Bank Models
Problem Possible Cause Action
Compressor runs
continuously.
Refrigerator setpoint
is set too low.
► Conrmthesetpointissetwithintheoperating
range. Change the setpoint if necessary.
Temperature control
probe is faulty.
► Conrmtheprobeisprovidingresistanceinthe
rangeof98Ωto110Ω.Replacetheprobeif
necessary.
Monitor/control board
is faulty.
► Conrmthemonitor/controlboardisoperating
correctly. Replace the board if necessary.
Compressor starting
relay is faulty.
► Conrmtherelayisoperatingcorrectly.Replaceit
if necessary.
Defrost timer is
faulty (HLR and HPR
models).
► Replace the defrost timer.
26.3 Alarm Activation Problems
Problem Possible Cause Action
Refrigerator is in
an alarm condition,
but alarms are not
audible.
Alarm system is faulty. ► Conrmthecircuitboardandlineconnectionsare
functioning correctly.
Monitor/control board
is faulty.
► Replace the monitor/control board.
Alarm buzzer is faulty. ► Replace the alarm buzzer.
Audible alarms have
been muted.
► Verify audible alarms are not muted.
A component is
faulty or internal
connections are loose.
► Contact Helmer Technical Service.
Refrigerator meets an
alarm condition, but
the appropriate alarm
is not active.
Monitor/control board
is faulty.
► Replace the monitor/control board.
Alarm setpoint was
changed.
► Check the current setpoints for the alarms.
Change the setpoints if necessary.
A component is
faulty or internal
connections are loose.
► Contact Helmer Technical Service.