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TROUBLESHOOTING
6.1
TROUBLESHOOTING TABLE
ISSUE
Product temperature is
higher than requirement
PAGE 36
POSSIBLE REASON
Store condition is warmer or more humid
than climate class 3 (25°C/60%RH).
Refrigeration plant is not running or
operating at inappropriate settings or
conditions.
Evaporator pressure is not set correctly.
Insufficient or no air flow appears at the
case air curtain.
Case shelf arrangement has been deviated
significantly from original specified setup.
Air return is blocked by merchandise.
None of above.
REMEDIAL ACTION
Check store climate control is operating
correctly.
Check for refrigeration plant operation.
If refrigeration is running and other
possible reasons are eliminated then
call refrigeration mechanic to check
plant operation.
Check suction pressure settings at the
case and if required, adjust as per case
specification.
Check if evaporator coil is iced. If ice is
present then check defrost settings as
per the manufacturers guideline or set
to suit the store operating condition. A
colder store may require longer defrost
duration. A humid store may need
more frequent defrost.
Check if case fans are turned on or
operating correctly. If any doubt of fan
operation contact technician.
Re-do the shelf arrangement as per
the original specification.
Move merchandise to be within the
load limit.
Contact your refrigeration service
provider.
PSM15E3R SEMI-VERTICAL - HUSSMANN
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