As Needed
Clean Pump Check Valve and Basin. If the unit
displays the message "ER9 PUMP BLOCKED PUMP
& HOSE", the pump check valve and pump basin may
need to be cleaned. This requires removal of the front
housing.
Clean coils. Inspect the horizontal evaporator (cold)
coil with the front cover removed. If excessive dust and
debris is present, vacuum thoroughly and/or clean with
coil cleaner.
PUMP PURGE BUTTON
The Control Panel will display the following messages when the Pump Purge Button is pressed.
C O N T R O L P A N E L
M E S S A G E
---
PUMP PURGING XX
07-02333B EB130
Pump is purging with countdown in seconds. Press key again to stop if needed.
Fig. B: Disassembly for Cleaning
Remove the 4
screws from front
housing, and slide
off to access coils
and pump for
service.
E X P L A N A T I O N
6
EnviroBoss