

Middleby Marshall FAN LOW CURRENT: the CTX cooling fan is drawing too little
The same current check that catches a straining fan also catches one that is barely drawing anything.
Mon–Sat, 8am–8pm
- Motors and drives
- Commercial laundry machine repair
- Source: Middleby Marshall
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What FAN LOW CURRENT
actually means.
The same current check that catches a straining fan also catches one that is barely drawing anything. When current stays below the limit for 5 seconds, the oven beeps and shows FAN LOW CURRENT. A seized fan that has stopped, a loose connector or a failed fan motor are the usual reasons, and without that fan the control compartment heats up quickly.
Middleby Marshall commercial appliance display · also shown as FAN LOW CURRENT
What to do when FAN LOW CURRENT shows on the commercial applianceKind of codeMotors and drives
Something that should turn is not turning, or not at the speed the controller expects. A washer-extractor's drive or its inverter may stop the spin when the load is out of balance or a bearing drags, a tumbler's belt may slip so the drum barely moves, a convection or combi fan may slow on worn bearings and bake unevenly, and a dish machine's wash pump may hum without spraying. Redistributing a load, confirming the door is latched and running the machine's own test cycle are fair; a drum, a belt or a motor is a visit, and nobody reaches into a drum that could still move.
Usually leads toCommercial laundry machine repair
Coin, card and on-premise laundry machines and tumblers: door locks, bearings, inverters, burners and payment hardware.
Shows up asCommercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display
A commercial appliance error code appears as letters or numbers on a combi, fryer, reach-in controller, dish machine or laundry machine display, or as a flashing light or an alarm tone.
MakeMiddleby Marshall
Middleby Marshall ovens on this site are the kitchen's non-pizza baking and roasting work; pizza service calls belong to our pizza oven site.
SourceMiddleby Marshall CTX DZ26T, DZ33T and DZ55T infrared conveyor oven owner's operating and installation manual (Rev G)
CTX DZ26T, DZ33T and DZ55T infrared conveyor ovens with the touch screen (manual Rev G). The message shows only on the Manual Mode and Preset Mode main screens.
Before you book,
in this order.
Each step comes from Middleby Marshall's own guidance for FAN LOW CURRENT on its commercial appliances. Follow it to the end: the last card says whether this is a visit.
Acknowledge the message and check whether you can hear or feel air moving at the front filter.
Clean the filter so that a restart gives a fair test.
With no air moving at all, shut the oven down and leave it that way until a technician sees it, which protects the boards.
Book a visit; a fan that draws too little current needs a replacement or a wiring repair behind the panels.
Still there?
It usually turns into commercial laundry machine repair. Book with the code and the model number.
What not to do
FAN LOW CURRENT does not describe an overloaded fan; FAN_HIGH_CURRENT covers that. It often comes before CONTROL COMPARTMENT HIGH TEMP, because a stopped fan leaves the electronics without cooling air.
What you may
notice with it.
The commercial appliance problems FAN LOW CURRENT tends to arrive with. Answer these at the commercial appliance before anyone is booked.
All problemsWhere FAN LOW CURRENT usually leads
Commercial laundry machine repair.
Middleby Marshall
commercial appliances.
Middleby Marshall ovens on this site are the kitchen's non-pizza baking and roasting work; pizza service calls belong to our pizza oven site.
Middleby Marshall commercial appliance repairMore Middleby Marshall codes
Motors and drives on other makes
In Middleby Marshall's own words
The fan current has fallen below the set limit for more than 5 seconds.
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. CTX DZ26T, DZ33T and DZ55T infrared conveyor ovens with the touch screen (manual Rev G). The message shows only on the Manual Mode and Preset Mode main screens.
Middleby Marshall FAN LOW CURRENT commercial appliance repair,
where we come out.
The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.
All service areasTampa BayFL · 31 areas
Miami / South FloridaFL · 47 areas
New York MetroNY · 75 areas
HoustonTX · 36 areas
ChicagoIL · 50 areas
Los AngelesCA · 95 areas
San DiegoCA · 31 areas
Questions
about FAN LOW CURRENT.
Can I clear FAN LOW CURRENT myself?
Why does my CTX oven show FAN LOW CURRENT and then a high temperature message?
Can I keep baking on a CTX with FAN LOW CURRENT?
Is FAN LOW CURRENT on a CTX ever just a sensor error?
Back to your everyday
Still showing FAN LOW CURRENT?
A booking with a code goes further when it has the code as shown, the model and serial from the data plate, and a word on whether the unit still holds temperature, heats, rinses or spins. With those three, the office can match the likely part to your unit the same day.