Tiffin Motorhomes Wayfarer TM 2021 Series Owner's Manual page 104

PROBLEM
Furnace.
Gauges and
Instrumentation.
2021 Wayfarer TM Series Owners Manual V1.0
SUB-PROBLEM
Furnace blows cold air. Main liquid propane
Heats only when using
external power source.
ABS light flashing or
stays lit.
Brake light is "ON".
ABS and brake lights
are both lit.
Service engine soon
(SES) light stays on.
CAUSES
(LP) gas tank is
"OFF".
Liquid propane (LP) gas
detector is "OFF".
Air in liquid propane
(LP) gas lines.
Low coach battery.
Anti-lock brake system
is disabled but normal
braking is still effective.
Parking brake may be
on.
Low brake fluid.
Speed sensor
malfunction.
Combination of ABS
problem plus parking
brake "ON" or low
brake fluid.
One of the engines
emission control
systems may be
malfunctioning.
SOLUTIONS
Turn "ON" main liquid
propane (LP) gas tank.
Reset detetctor.
Cycle furnace "ON"
and "OFF" several
times waiting 45
seconds between cycles.
Run chassis/generator to
recharge coach
battery(ies).
Contact an authorized
Ford Dealership for
required service.
Release parking brake.
Check brake fluid, if
level is ok contact an
authorized Ford
Dealership for required
service.
Contact an authorized
Ford Dealership for
required service.
Release the parking
brake, check fluid levels
and Contact an
authorized Ford
Dealership for required
service.
Vehicle may be running
out of fuel.
Poor quality fuel or
water in fuel.
Fuel cap may not have
been properly tightened.
Contact an authorized
Ford Dealership for
required service.
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