PAGE 5 OF 18
0422 IH-10029
MAINTENANCE CONTINUED
3. Vacuum both sides of the coils until clean, being
careful not to let the nozzle touch the fins, which
may cause damage by bending them.
4. Check catch basin tray. Clean when dirt and debris
are present.
5. Wipe clean with a rag.
CHECK DRAIN HOSE
1. Look for obstructions. Disconnect and clear any
debris.
2. Reattach drain hose.
IMPORTANT! Be sure to purge the water from the
pump reservoir before moving the unit. See the
PURGE function under "Using Control Panel" on
page 3. Note that the unit must be plugged in
for the purge function to operate.
NOTE: Do not expose the control panel to
moisture, snow or rain when transporting in
uncovered vehicles.
NOTE: Store and transport securely to avoid
any damaging impact to internal parts.
NOTE: Handle the unit carefully. Do not drop,
throw or place the unit where it could fall.
Rough treatment can damage this equipment
and may create a hazardous condition or void
warranty.
ERROR MESSAGE
EXPLANATION
ER 1, 2, 3, 5, 6
Problem with electronic control panel. Contact Uline Customer Service at
1-800-295-5510.
ER 4
Check the temperature or sensor cable. Contact Uline Customer Service
at 1-800-295-5510 for instructions.
ER 8
Check the touchpad keys. Press and release each key several times.
ER 9
Check for obstructions or kinks in the drain hose.
TROUBLESHOOTING
ERROR MESSAGES
The table below shows error messages the system may detect. If the display shows an ER message, first unplug the
unit and then plug back in. This may reset the electronics, and if so, no further action is required. If the error message
reappears, try the solution shown under "Explanation." If this still does not fix the problem, contact Uline Customer
Service at 1-800-295-5510.
