Hussmann CR3HV-ND, Руководство по установке и эксплуатации

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25
Problem Possible Cause Possible Solution
Water has pooled
under case. Case drain is clogged. Clear drain.
PVC drains under case
may have a leak. Repair as needed.
Case tub has unsealed
opening. Seal as needed.
If the case is in a line-
up, case to case joint is
missing or unsealed. Install case to case joint and seal as needed.
Evaporator pan is
overfl owing (if applicable).
Check electrical connection to evaporator pan. Check fl oat
assembly, it should move freely up and down the support
stem. Clear any debris.
Case is not draining
properly. Case is not level. Level the case.
Drain screen is plugged. Clean drain screen and remove any debris.
Drain or P-trap is clogged. Clear any debris.
Frost or ice on
evaporator coil. Evaporator fans are not
functioning. Check electrical connections.
Defrost clock is not
functioning. Case should be serviced by a qualifi ed service technician.
Coil is freezing over. Return air is blocked, make sure debris is not blocking the
intake section.
Coil close-offs are not installed. Inspect coil to make sure
these parts are on the case.
Large gap is visible
on bottom of front
glass or glass can't be
opened because it is
too low. Glass Height adjusters
need to be adjusted. See Glass Adjustment section.
Large gaps are visible
in between glass
panels or glass rubs
against end panel. Glass/glass clamp
assembly needs to be
adjusted.
See Glass Adjustment section.
Front glass does not
stay open and falls
closed. Glass shock/piston may
need to be replaced. Case should be serviced by a qualifi ed service technician.
Lights do not come
on. LED Driver/light socket
wiring. Check electrical connections. See Electrical Section and
check wiring diagram.
LED Driver needs to be
replaced. Case should be serviced by a qualifi ed service technician.
See Electrical Section.
Lamp socket needs to be
replaced. Case should be serviced by a qualifi ed service technician.
Lamp needs to be
replaced. See Maintenance Section.
Light Switch needs to
replaced. Case should be serviced by a qualifi ed service technician.
Troubleshooting Guide (Cont'd)