Mastercare Entree Bath Gen III MB-68 AV-XL, User Manual

Page: 40 / 51

Entrée Bath Gen III -
MODEL MB-68 AV-XL
MAINTENANCE MANUAL
10-20-19
Page 40 of 51
450 E 32 nd Ave – Fremont, NE 68025
800-798-5867 FAX: 402-721-3023
www.mastercarebath.com
PROBLEM SOLVING AND DIAGNOSIS:
The following guide is intended to help solve the majority of problems that may occur due to normal wear and use of the
system over time.
Problem Potential Causes
Door does not open/close
properly
Procedure: Drain sensors are detecting water in the tub. The tub must be fully
drained for the Open Button to works. In case of an emergency, hold the Emergency
Button and the Open Door Button at the same time in the Foot-End controls to
override the water sensors and open the door.
Other potential causes: air transmitter, air lines, power failure, capacitor on
actuator.
Electrical: Refer to Electrical Assembly Diagram on page 43
)
BathAire (SM) Blower comes on
by itself.
Procedure: Purge cycle automatic. During the Purge, the BathAire (SM) is in use but
the cycle will be available to use in the bath when the Purge cycle is finished.
BathAire (SM) Blower not
functioning properly.
Procedure: Purge cycle automatic. During the Purge, the BathAire (SM) is in use but
the cycle will be available to use in the bath when the Purge cycle is finished.
Mechanical:
Membrane switch defective.
BathAire (SM) aerator out of adjustment.
Flexible air tubing disconnected from BathAire
(SM)
aerator.
Damaged controller or CAT 5 cable
Electrical: Refer to Electrical Assembly Diagram on page 43. Check GFCI on tub and
community GFCI. Should only be one (1) GFCI in circuit. Refer to GFCI RESET
PROCEDURES on page 32
Water in air tubing. Mechanical:
Foreign material lodged under rubber rim of aerator.
Air injection rubber valve head old, cracking or worn out.
Adjustment nuts at bottom of aerator assembly are not tight.
“O” ring between aeration valve and inside tub surface not sealing.
Drain not functioning properly. Mechanical:
Drain linkage out of adjustment.
Foreign material lodged under stopper or inside drain shoe.
Valves not functioning properly. Mechanical:
There could be hard water build up.
The screens in the water supply lines hot and cold could be clogged. Check and
remove the mixing valve, soak it in a 50/50 white vinegar and water mix for a period
of time to try and clean it
Electrical: Refer to Electrical Assembly Diagram on page 43
))
Tub leaking Mechanical:
“O” ring between aeration valve and inside tub surface not sealing. ( See Aeration
Injector Diagram page 47