Platinous User’s Manual 95
Troubleshooting
8.2 Operator Error and Additional Troubleshooting
ELECTRIC SHOCK! Before intervening with power circuits, shut OFF
primary power supply at the primary switch.
Working with primary power supply ON runs the risk of electric shock.
Shut OFF power from the main power breaker BEFORE opening the
electric parts compartment door or the water circuit compartment
door.
This section explains problems not found with chamber self-checks and cases of operator error. If the
issue is not resolved after taking the prescribed action, contact the place of purchase or Espec North
America.
TABLE 8.18. OPERATOR ERROR AND ADDITIONAL TROUBLESHOOTING
Trouble Cause Remedial Action
The instrumentation panel
does not light up after
pressing the POWER key.
Primary power supply is OFF. Activate the primary power supply.
The main power switch is in the OFF
position.
Set the main power switch to the ON
position.
There is a reverse or open phase in
the primary power supply connec-
tion.
Reconnect the primary power sup-
ply correctly. See “Power Supply
Work” on page 39.
Fuse F13 is blown. Replace fuse F13. See “Replacing
Fuses” on page 97. If the new fuse
blows, call for service.
This display goes out all of a
sudden or the displayed
information is strange.
System trouble or internal board
trouble.
Switch the main power switch OFF
and ON. If the same trouble reoc-
curs, call for service.
The door is hard to close.
Something is caught in the door. Remove the obstruction.
Frost has formed and hardened on
the door packing.
Defrost the chamber. See “Defrost-
ing” on page 99.
Internal pressure is high because
the chamber is hot and highly humid
on the inside.
There is nothing wrong with the
equipment. Proceed as planned.
The door is hard to open.
Internal pressure is lower than room
pressure.
There is nothing wrong with the
equipment. Proceed as planned.
Frost has formed and hardened on
the door packing.
Defrost the chamber. See “Defrost-
ing” on page 99.
During operation below
zero, icicles 5cm or longer
form on the internal drain
outlet, or the test area is
covered in frost.
Outside air has infiltrated through
the cable port.
Cover the cable port with the rubber
plug.
Door packing is not properly sealing
the door and frame, or packing has
deteriorated.
Call for service.
Strange noises are heard.
Frost has formed on the air circula-
tor blades.
See “Defrosting” on page 99.
Strange odors are detected.
Lingering odors inside the chamber. Clean the test area. See “Mainte-
nance” on page 77.
Specimens are generating odors. There is nothing wrong with the
equipment. Proceed as planned.
The chamber is vibrating.
The chamber is not level. Correct adjuster foot height. See
“Installation Site Check” on page 36.
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