H1 Self Contained glass front multideck
Installation manual
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Hussmann
Page
12
Trouble shooting
issue
possible reason
remedial action
Product temperature is higher
than requirement
Store condition is warmer or more humid
than climate class 3 (25°C/60%RH).
Check store air conditioner operation.
Refrigeration plant is not running or
operating at inappropriate settings or
conditions.
Check for compressor unit if it is running.
If unit is running and other possible
reasons are eliminated then call
refrigeration mechanic to check plant
operation.
Evaporator pressure is not set correctly.
Check suction pressure settings at the case
and if required adjust as per
case specification.
Insufficient or no air flow appears at the
case air curtain.
Check if case fans are turned on or
operating correctly. If any doubt of fan
operation contact technician.
Check if coil is frozen up. If frozen then
check defrost settings as per the
manufacturers guideline or set to suite
the store operating condition. A colder store
may require longer defrost
duration. A humid store may need
more frequent defrost.
Case shelf arrangement has been deviated
significantly from original specified setup.
Re-do the shelf arrangement as per
the original specification.
Air Return is blocked by merchandise.
Remove merchandise to behind
the load limit labels.
None of above.
Contact Hussmann.
Products are freezing up.
Store condition is too cold compared to
design climate class 3.
Check store air conditioner operation. If
store condition cannot be lifted, then adjust
cabinet evaporator pressure and defrost
strategy to suite.
Case evaporator pressure is
lower than specification.
Adjust cabinet evaporator pressure
to suite.
Cabinet exterior is sweating.
Store humidity is high.
Check store air conditioner operation.
Insufficient ventilation.
Check case ventilation under and at rear of
the case. A fan kit may be needed.
KITS: (Option Extra
– ref Page 17)
Case to Wall: 2500: 96A15-035
3750: 96A15-036
Icon Controller settings (if fitted).
Check settings.
Case SST.
SST set too low.
LED Lights are not working.
No power supply.
Check supply is “on” and light
switch is working.
LED Lamp failed.
Replace lamp.
Water spill on the floor.
The dissipater tray is full or leaking.
Contact service provider.
Store humidity is too high.
Boiling system is not functioning.
Check controller, wiring, level sensor
and heater
The compressor doesn’t start
after 2 minutes.
The supply cables is disconnected.
Reconnect plug.
