Page 38
Troubleshooting Diagnosis Chart
FUNCTION
SYMPTOM
POSSIBLE CAUSE
REMEDY
continued
continued
continued
continued
Troubleshooting
Correct
Correct, replace and/or lubricate as
needed
Connect, repair or replace
Adjust or replace
Replace fuse
Connect, repair or replace
Replace motor
Engage door operator. See Door and
Ramp Manual Operating Instructions
Align, replace or otherwise correct as
needed
Remove obstruction
Realign, tighten, lubricate, replace
defective parts or otherwise correct as
needed
Realign, tighten, lubricate, replace
defective parts or otherwise correct as
needed
Activate OPEN control until door stops
(opens fully)
Adjust microswitch so door opens fully
or replace
2.31 Mechanical binding
2.32 Misalignment or damage to kneel
system components. Inspect
Kneel actuator assembly for:
• Actuator mounting bolts
securement (loose or missing)
• Actuator shaft/chain bearing
slots for excessive wear or
damage
• Actuator shaft/chain bearing
slots for lubrication
(* Light
Grease)
• Inspect chain for wear, misalign-
ment, damage or lack of
lubrication
(* Light Grease)
• Inspect chain aluminum idler for
securement, wear, damage or
misalignment
• Inspect polyethylene hose for
positive connection, proper
routing, kinks, holes, wear or
other damage
3.11
See 1.00
3.12 Door harness disconnected or
defective
3.13 Door Opened microswitch out of
adjustment or defective
3.14 Faulty fuse
3.15 Door operator motor harness
disconnected or defective
3.16 Door operator motor defective
3.21 Door operator manual release
handle up (motor disengaged)
3.22 Misaligned or otherwise damaged
motor gear, gear adapter or door
gear rack
3.31 Obstruction in lower slide door
track
3.32 Mechanical binding
3.33 Worn, damaged, misaligned,
loose or missing door operator
components such as springs,
motor gear, gear adapter, gear
rack and associated mounting
hardware
3.41 OPEN control not activated
throughout entire door opening
function (until door stops)
3.42 Door Opened microswitch out of
adjustment or defective
3.20
Motor Runs
But Door
Does Not
Move
3.10
NO
OPEN
OPERATION
(Motor Does
Not Run)
3.30
Faulty
Open
Operation
3.40
Door Does
Not Open
Fully
2.00
KNEEL
SYSTEM
(LOWER)
2.30
Faulty
Kneel
(Lower)
Operation
3.00
POWER
DOOR
(OPEN)
Summary of Contents for EntervanII
Page 45: ...Page 43 Notes Troubleshooting...
